date,price 1950-01-01,34.730 1950-02-01,34.730 1950-03-01,34.730 1950-04-01,34.730 1950-05-01,34.730 1950-06-01,34.730 1950-07-01,34.730 1950-08-01,34.730 1950-09-01,34.730 1950-10-01,34.730 1950-11-01,34.730 1950-12-01,34.720 1951-01-01,34.720 1951-02-01,34.730 1951-03-01,34.730 1951-04-01,34.730 1951-05-01,34.730 1951-06-01,34.730 1951-07-01,34.720 1951-08-01,34.710 1951-09-01,34.710 1951-10-01,34.710 1951-11-01,34.730 1951-12-01,34.660 1952-01-01,34.490 1952-02-01,34.490 1952-03-01,34.680 1952-04-01,34.820 1952-05-01,34.730 1952-06-01,34.530 1952-07-01,34.570 1952-08-01,34.580 1952-09-01,34.510 1952-10-01,34.630 1952-11-01,34.720 1952-12-01,34.790 1953-01-01,34.880 1953-02-01,34.950 1953-03-01,34.920 1953-04-01,34.930 1953-05-01,34.900 1953-06-01,34.890 1953-07-01,34.910 1953-08-01,34.910 1953-09-01,34.760 1953-10-01,34.790 1953-11-01,34.860 1953-12-01,34.850 1954-01-01,34.860 1954-02-01,34.880 1954-03-01,34.920 1954-04-01,35.040 1954-05-01,35.080 1954-06-01,35.070 1954-07-01,35.080 1954-08-01,35.050 1954-09-01,35.080 1954-10-01,35.080 1954-11-01,35.060 1954-12-01,35.040 1955-01-01,35.040 1955-02-01,35.050 1955-03-01,35.060 1955-04-01,35.050 1955-05-01,35.050 1955-06-01,35.040 1955-07-01,35.050 1955-08-01,35.030 1955-09-01,34.980 1955-10-01,34.980 1955-11-01,34.980 1955-12-01,34.970 1956-01-01,34.990 1956-02-01,34.990 1956-03-01,34.990 1956-04-01,34.980 1956-05-01,34.990 1956-06-01,34.980 1956-07-01,35.000 1956-08-01,35.020 1956-09-01,35.010 1956-10-01,35.020 1956-11-01,34.980 1956-12-01,34.900 1957-01-01,34.880 1957-02-01,34.890 1957-03-01,34.910 1957-04-01,34.920 1957-05-01,34.930 1957-06-01,34.990 1957-07-01,34.990 1957-08-01,34.970 1957-09-01,34.960 1957-10-01,34.970 1957-11-01,34.970 1957-12-01,34.990 1958-01-01,35.010 1958-02-01,35.080 1958-03-01,35.090 1958-04-01,35.100 1958-05-01,35.110 1958-06-01,35.100 1958-07-01,35.110 1958-08-01,35.100 1958-09-01,35.100 1958-10-01,35.110 1958-11-01,35.100 1958-12-01,35.090 1959-01-01,35.070 1959-02-01,35.060 1959-03-01,35.060 1959-04-01,35.080 1959-05-01,35.120 1959-06-01,35.120 1959-07-01,35.130 1959-08-01,35.120 1959-09-01,35.130 1959-10-01,35.100 1959-11-01,35.060 1959-12-01,35.050 1960-01-01,35.090 1960-02-01,35.090 1960-03-01,35.090 1960-04-01,35.110 1960-05-01,35.100 1960-06-01,35.090 1960-07-01,35.100 1960-08-01,35.130 1960-09-01,35.220 1960-10-01,35.780 1960-11-01,35.820 1960-12-01,35.540 1961-01-01,35.560 1961-02-01,35.170 1961-03-01,35.080 1961-04-01,35.080 1961-05-01,35.060 1961-06-01,35.070 1961-07-01,35.110 1961-08-01,35.160 1961-09-01,35.190 1961-10-01,35.190 1961-11-01,35.190 1961-12-01,35.150 1962-01-01,35.160 1962-02-01,35.130 1962-03-01,35.090 1962-04-01,35.080 1962-05-01,35.080 1962-06-01,35.100 1962-07-01,35.120 1962-08-01,35.120 1962-09-01,35.130 1962-10-01,35.140 1962-11-01,35.090 1962-12-01,35.080 1963-01-01,35.060 1963-02-01,35.080 1963-03-01,35.100 1963-04-01,35.100 1963-05-01,35.080 1963-06-01,35.080 1963-07-01,35.090 1963-08-01,35.100 1963-09-01,35.080 1963-10-01,35.080 1963-11-01,35.080 1963-12-01,35.080 1964-01-01,35.080 1964-02-01,35.080 1964-03-01,35.080 1964-04-01,35.080 1964-05-01,35.080 1964-06-01,35.080 1964-07-01,35.080 1964-08-01,35.080 1964-09-01,35.090 1964-10-01,35.110 1964-11-01,35.100 1964-12-01,35.120 1965-01-01,35.130 1965-02-01,35.140 1965-03-01,35.160 1965-04-01,35.140 1965-05-01,35.100 1965-06-01,35.100 1965-07-01,35.120 1965-08-01,35.150 1965-09-01,35.140 1965-10-01,35.110 1965-11-01,35.110 1965-12-01,35.130 1966-01-01,35.150 1966-02-01,35.170 1966-03-01,35.150 1966-04-01,35.130 1966-05-01,35.120 1966-06-01,35.150 1966-07-01,35.180 1966-08-01,35.180 1966-09-01,35.190 1966-10-01,35.160 1966-11-01,35.160 1966-12-01,35.180 1967-01-01,35.180 1967-02-01,35.170 1967-03-01,35.160 1967-04-01,35.170 1967-05-01,35.180 1967-06-01,35.190 1967-07-01,35.190 1967-08-01,35.190 1967-09-01,35.190 1967-10-01,35.190 1967-11-01,35.200 1967-12-01,35.190 1968-01-01,35.180 1968-02-01,35.200 1968-03-01,35.200 1968-04-01,37.878 1968-05-01,40.691 1968-06-01,41.111 1968-07-01,39.530 1968-08-01,39.170 1968-09-01,40.203 1968-10-01,39.210 1968-11-01,39.795 1968-12-01,41.113 1969-01-01,42.291 1969-02-01,42.616 1969-03-01,43.171 1969-04-01,43.295 1969-05-01,43.461 1969-06-01,41.442 1969-07-01,41.755 1969-08-01,41.128 1969-09-01,40.865 1969-10-01,40.476 1969-11-01,37.452 1969-12-01,35.189 1970-01-01,34.946 1970-02-01,34.994 1970-03-01,35.089 1970-04-01,35.623 1970-05-01,35.958 1970-06-01,35.437 1970-07-01,35.329 1970-08-01,35.377 1970-09-01,36.196 1970-10-01,37.553 1970-11-01,37.455 1970-12-01,37.434 1971-01-01,37.868 1971-02-01,38.716 1971-03-01,38.873 1971-04-01,39.001 1971-05-01,40.493 1971-06-01,40.105 1971-07-01,40.929 1971-08-01,42.722 1971-09-01,41.976 1971-10-01,42.473 1971-11-01,42.842 1971-12-01,43.455 1972-01-01,45.640 1972-02-01,48.237 1972-03-01,48.288 1972-04-01,49.026 1972-05-01,54.500 1972-06-01,62.170 1972-07-01,65.558 1972-08-01,66.917 1972-09-01,65.589 1972-10-01,64.824 1972-11-01,62.726 1972-12-01,63.779 1973-01-01,65.127 1973-02-01,73.971 1973-03-01,84.105 1973-04-01,90.441 1973-05-01,101.623 1973-06-01,119.800 1973-07-01,120.364 1973-08-01,106.225 1973-09-01,103.034 1973-10-01,99.923 1973-11-01,94.645 1973-12-01,106.236 1974-01-01,129.027 1974-02-01,150.000 1974-03-01,168.298 1974-04-01,172.243 1974-05-01,163.568 1974-06-01,154.013 1974-07-01,142.283 1974-08-01,154.362 1974-09-01,151.660 1974-10-01,158.533 1974-11-01,181.483 1974-12-01,183.683 1975-01-01,176.864 1975-02-01,179.553 1975-03-01,178.203 1975-04-01,170.066 1975-05-01,167.293 1975-06-01,164.250 1975-07-01,164.867 1975-08-01,163.168 1975-09-01,144.311 1975-10-01,142.691 1975-11-01,142.565 1975-12-01,139.279 1976-01-01,131.695 1976-02-01,130.940 1976-03-01,132.676 1976-04-01,127.910 1976-05-01,126.913 1976-06-01,125.684 1976-07-01,117.866 1976-08-01,110.055 1976-09-01,114.098 1976-10-01,116.095 1976-11-01,130.341 1976-12-01,133.674 1977-01-01,132.306 1977-02-01,136.163 1977-03-01,148.339 1977-04-01,149.184 1977-05-01,146.536 1977-06-01,140.828 1977-07-01,143.383 1977-08-01,145.009 1977-09-01,149.334 1977-10-01,158.848 1977-11-01,162.132 1977-12-01,160.480 1978-01-01,173.207 1978-02-01,178.360 1978-03-01,183.771 1978-04-01,175.323 1978-05-01,176.190 1978-06-01,183.761 1978-07-01,188.569 1978-08-01,206.455 1978-09-01,212.212 1978-10-01,227.432 1978-11-01,207.082 1978-12-01,207.895 1979-01-01,226.986 1979-02-01,245.590 1979-03-01,242.348 1979-04-01,239.174 1979-05-01,257.738 1979-06-01,279.360 1979-07-01,295.009 1979-08-01,300.793 1979-09-01,354.498 1979-10-01,390.959 1979-11-01,391.518 1979-12-01,463.666 1980-01-01,674.580 1980-02-01,665.893 1980-03-01,554.276 1980-04-01,516.710 1980-05-01,514.268 1980-06-01,600.786 1980-07-01,645.750 1980-08-01,626.360 1980-09-01,673.941 1980-10-01,662.270 1980-11-01,623.875 1980-12-01,596.712 1981-01-01,557.813 1981-02-01,500.800 1981-03-01,499.693 1981-04-01,496.625 1981-05-01,480.316 1981-06-01,460.500 1981-07-01,409.284 1981-08-01,410.240 1981-09-01,443.773 1981-10-01,437.680 1981-11-01,413.405 1981-12-01,410.119 1982-01-01,384.163 1982-02-01,374.458 1982-03-01,330.413 1982-04-01,350.335 1982-05-01,334.505 1982-06-01,314.961 1982-07-01,337.895 1982-08-01,363.413 1982-09-01,438.150 1982-10-01,422.786 1982-11-01,415.114 1982-12-01,444.776 1983-01-01,481.838 1983-02-01,493.488 1983-03-01,420.707 1983-04-01,433.171 1983-05-01,437.393 1983-06-01,413.148 1983-07-01,422.645 1983-08-01,416.205 1983-09-01,412.245 1983-10-01,394.245 1983-11-01,381.016 1983-12-01,388.060 1984-01-01,370.735 1984-02-01,386.038 1984-03-01,394.743 1984-04-01,381.371 1984-05-01,376.957 1984-06-01,378.314 1984-07-01,347.598 1984-08-01,347.677 1984-09-01,340.945 1984-10-01,340.217 1984-11-01,341.286 1984-12-01,319.622 1985-01-01,302.852 1985-02-01,299.833 1985-03-01,303.205 1985-04-01,324.883 1985-05-01,316.395 1985-06-01,316.298 1985-07-01,317.202 1985-08-01,330.131 1985-09-01,323.764 1985-10-01,326.093 1985-11-01,325.548 1985-12-01,321.985 1986-01-01,345.561 1986-02-01,339.053 1986-03-01,346.095 1986-04-01,340.716 1986-05-01,342.325 1986-06-01,342.798 1986-07-01,348.554 1986-08-01,376.290 1986-09-01,418.152 1986-10-01,423.863 1986-11-01,396.983 1986-12-01,391.595 1987-01-01,408.524 1987-02-01,401.045 1987-03-01,408.848 1987-04-01,439.665 1987-05-01,461.650 1987-06-01,449.282 1987-07-01,450.330 1987-08-01,460.988 1987-09-01,460.120 1987-10-01,465.764 1987-11-01,468.140 1987-12-01,487.079 1988-01-01,477.758 1988-02-01,442.124 1988-03-01,443.491 1988-04-01,451.558 1988-05-01,451.320 1988-06-01,451.657 1988-07-01,437.452 1988-08-01,431.064 1988-09-01,413.439 1988-10-01,406.390 1988-11-01,419.966 1988-12-01,419.248 1989-01-01,404.445 1989-02-01,387.973 1989-03-01,390.274 1989-04-01,384.720 1989-05-01,371.350 1989-06-01,367.727 1989-07-01,375.210 1989-08-01,365.548 1989-09-01,361.798 1989-10-01,366.800 1989-11-01,394.361 1989-12-01,409.655 1990-01-01,410.118 1990-02-01,416.543 1990-03-01,393.661 1990-04-01,374.929 1990-05-01,368.855 1990-06-01,352.657 1990-07-01,361.820 1990-08-01,394.861 1990-09-01,389.560 1990-10-01,381.333 1990-11-01,381.866 1990-12-01,378.161 1991-01-01,384.591 1991-02-01,363.748 1991-03-01,363.390 1991-04-01,358.055 1991-05-01,357.117 1991-06-01,366.360 1991-07-01,368.013 1991-08-01,356.721 1991-09-01,348.460 1991-10-01,358.826 1991-11-01,359.960 1991-12-01,361.875 1992-01-01,354.436 1992-02-01,353.853 1992-03-01,344.641 1992-04-01,338.728 1992-05-01,337.039 1992-06-01,340.784 1992-07-01,352.452 1992-08-01,343.603 1992-09-01,345.300 1992-10-01,344.277 1992-11-01,334.924 1992-12-01,334.657 1993-01-01,328.993 1993-02-01,329.310 1993-03-01,329.974 1993-04-01,341.948 1993-05-01,367.045 1993-06-01,371.914 1993-07-01,392.034 1993-08-01,379.795 1993-09-01,355.561 1993-10-01,364.005 1993-11-01,373.939 1993-12-01,383.243 1994-01-01,387.110 1994-02-01,381.658 1994-03-01,384.000 1994-04-01,377.908 1994-05-01,381.343 1994-06-01,385.714 1994-07-01,385.450 1994-08-01,380.207 1994-09-01,391.348 1994-10-01,390.164 1994-11-01,384.377 1994-12-01,379.480 1995-01-01,378.738 1995-02-01,376.745 1995-03-01,381.820 1995-04-01,391.339 1995-05-01,385.231 1995-06-01,387.618 1995-07-01,386.138 1995-08-01,383.502 1995-09-01,382.931 1995-10-01,383.202 1995-11-01,385.209 1995-12-01,387.445 1996-01-01,398.695 1996-02-01,404.919 1996-03-01,396.512 1996-04-01,392.870 1996-05-01,391.990 1996-06-01,385.245 1996-07-01,383.457 1996-08-01,387.510 1996-09-01,383.290 1996-10-01,380.909 1996-11-01,377.869 1996-12-01,369.338 1997-01-01,355.025 1997-02-01,346.400 1997-03-01,352.311 1997-04-01,344.707 1997-05-01,344.100 1997-06-01,340.805 1997-07-01,323.780 1997-08-01,323.998 1997-09-01,322.616 1997-10-01,324.863 1997-11-01,306.345 1997-12-01,288.776 1998-01-01,289.264 1998-02-01,297.743 1998-03-01,295.870 1998-04-01,308.558 1998-05-01,298.971 1998-06-01,292.223 1998-07-01,292.874 1998-08-01,284.228 1998-09-01,288.661 1998-10-01,296.595 1998-11-01,294.243 1998-12-01,291.357 1999-01-01,287.333 1999-02-01,287.495 1999-03-01,286.243 1999-04-01,282.620 1999-05-01,276.932 1999-06-01,261.402 1999-07-01,256.198 1999-08-01,256.936 1999-09-01,264.470 1999-10-01,311.562 1999-11-01,293.650 1999-12-01,283.743 2000-01-01,284.590 2000-02-01,300.855 2000-03-01,286.704 2000-04-01,279.961 2000-05-01,275.293 2000-06-01,285.368 2000-07-01,282.152 2000-08-01,274.523 2000-09-01,273.676 2000-10-01,270.405 2000-11-01,265.989 2000-12-01,271.892 2001-01-01,265.934 2001-02-01,262.018 2001-03-01,263.273 2001-04-01,260.750 2001-05-01,272.057 2001-06-01,270.738 2001-07-01,267.707 2001-08-01,272.657 2001-09-01,282.478 2001-10-01,283.322 2001-11-01,276.248 2001-12-01,275.992 2002-01-01,281.764 2002-02-01,295.683 2002-03-01,294.353 2002-04-01,302.862 2002-05-01,314.480 2002-06-01,321.536 2002-07-01,313.567 2002-08-01,310.045 2002-09-01,318.800 2002-10-01,316.748 2002-11-01,319.255 2002-12-01,333.300 2003-01-01,356.864 2003-02-01,359.575 2003-03-01,341.564 2003-04-01,328.208 2003-05-01,355.405 2003-06-01,356.912 2003-07-01,350.765 2003-08-01,358.993 2003-09-01,378.859 2003-10-01,379.093 2003-11-01,390.200 2003-12-01,407.674 2004-01-01,414.495 2004-02-01,404.730 2004-03-01,405.976 2004-04-01,404.850 2004-05-01,383.953 2004-06-01,391.780 2004-07-01,398.441 2004-08-01,400.133 2004-09-01,405.402 2004-10-01,420.210 2004-11-01,439.059 2004-12-01,442.974 2005-01-01,424.080 2005-02-01,423.430 2005-03-01,434.355 2005-04-01,429.140 2005-05-01,422.903 2005-06-01,430.302 2005-07-01,424.745 2005-08-01,437.773 2005-09-01,455.936 2005-10-01,470.107 2005-11-01,476.668 2005-12-01,509.423 2006-01-01,549.433 2006-02-01,555.518 2006-03-01,557.215 2006-04-01,611.853 2006-05-01,676.769 2006-06-01,597.898 2006-07-01,633.093 2006-08-01,631.557 2006-09-01,600.150 2006-10-01,586.648 2006-11-01,626.825 2006-12-01,629.513 2007-01-01,630.352 2007-02-01,665.103 2007-03-01,655.891 2007-04-01,680.008 2007-05-01,668.310 2007-06-01,655.714 2007-07-01,665.266 2007-08-01,664.530 2007-09-01,710.645 2007-10-01,754.480 2007-11-01,808.311 2007-12-01,803.618 2008-01-01,887.784 2008-02-01,924.283 2008-03-01,971.055 2008-04-01,911.600 2008-05-01,889.125 2008-06-01,889.536 2008-07-01,941.167 2008-08-01,840.388 2008-09-01,824.920 2008-10-01,812.815 2008-11-01,757.850 2008-12-01,819.940 2009-01-01,857.726 2009-02-01,939.763 2009-03-01,925.989 2009-04-01,892.663 2009-05-01,926.855 2009-06-01,947.807 2009-07-01,934.272 2009-08-01,949.500 2009-09-01,996.443 2009-10-01,1043.511 2009-11-01,1126.119 2009-12-01,1135.012 2010-01-01,1119.575 2010-02-01,1095.800 2010-03-01,1115.554 2010-04-01,1148.475 2010-05-01,1204.321 2010-06-01,1232.382 2010-07-01,1196.000 2010-08-01,1213.464 2010-09-01,1271.461 2010-10-01,1343.190 2010-11-01,1371.784 2010-12-01,1393.512 2011-01-01,1360.475 2011-02-01,1371.313 2011-03-01,1422.848 2011-04-01,1474.431 2011-05-01,1512.188 2011-06-01,1528.380 2011-07-01,1568.526 2011-08-01,1759.500 2011-09-01,1780.648 2011-10-01,1667.893 2011-11-01,1735.977 2011-12-01,1652.725 2012-01-01,1656.095 2012-02-01,1743.095 2012-03-01,1675.057 2012-04-01,1648.539 2012-05-01,1585.114 2012-06-01,1595.632 2012-07-01,1592.784 2012-08-01,1625.682 2012-09-01,1741.925 2012-10-01,1746.348 2012-11-01,1724.352 2012-12-01,1687.342 2013-01-01,1671.886 2013-02-01,1630.688 2013-03-01,1591.013 2013-04-01,1485.905 2013-05-01,1416.143 2013-06-01,1342.700 2013-07-01,1284.348 2013-08-01,1345.048 2013-09-01,1348.464 2013-10-01,1314.402 2013-11-01,1277.417 2013-12-01,1221.588 2014-01-01,1243.068 2014-02-01,1298.713 2014-03-01,1336.560 2014-04-01,1299.175 2014-05-01,1288.913 2014-06-01,1277.857