date,value 1947-01-01,128.989 1947-04-01,130.787 1947-07-01,132.781 1947-10-01,136.877 1948-01-01,140.405 1948-04-01,142.07 1948-07-01,146.847 1948-10-01,147.929 1949-01-01,146.267 1949-04-01,144.68 1949-07-01,143.608 1949-10-01,142.78 1950-01-01,147.004 1950-04-01,153.616 1950-07-01,162.303 1950-10-01,170.15 1951-01-01,178.566 1951-04-01,184.901 1951-07-01,187.854 1951-10-01,191.495 1952-01-01,196.097 1952-04-01,197.426 1952-07-01,201.503 1952-10-01,209.326 1953-01-01,213.123 1953-04-01,216.209 1953-07-01,216.523 1953-10-01,215.129 1954-01-01,213.112 1954-04-01,212.684 1954-07-01,213.224 1954-10-01,217.536 1955-01-01,221.895 1955-04-01,228.083 1955-07-01,233.91 1955-10-01,238.391 1956-01-01,242.828 1956-04-01,247.491 1956-07-01,250.42 1956-10-01,256.363 1957-01-01,260.222 1957-04-01,262.057 1957-07-01,264.724 1957-10-01,263.301 1958-01-01,259.767 1958-04-01,259.426 1958-07-01,267.228 1958-10-01,272.263 1959-01-01,279.746 1959-04-01,286.458 1959-07-01,286.926 1959-10-01,290.187 1960-01-01,298.735 1960-04-01,301.716 1960-07-01,302.573 1960-10-01,302.104 1961-01-01,303.112 1961-04-01,307.313 1961-07-01,312.32 1961-10-01,318.939 1962-01-01,325.482 1962-04-01,331.427 1962-07-01,334.241 1962-10-01,337.658 1963-01-01,342.654 1963-04-01,347.56 1963-07-01,352.644 1963-10-01,358.774 1964-01-01,365.175 1964-04-01,372.622 1964-07-01,380.011 1964-10-01,386.093 1965-01-01,392.93 1965-04-01,399.925 1965-07-01,408.34 1965-10-01,420.463 1966-01-01,433.109 1966-04-01,444.412 1966-07-01,455.669 1966-10-01,463.804 1967-01-01,470.007 1967-04-01,475.649 1967-07-01,485.272 1967-10-01,496.236 1968-01-01,510.872 1968-04-01,523.992 1968-07-01,537.821 1968-10-01,550.317 1969-01-01,562.766 1969-04-01,576.719 1969-07-01,593.435 1969-10-01,604.917 1970-01-01,614.953 1970-04-01,620.233 1970-07-01,628.194 1970-10-01,630.007 1971-01-01,647.901 1971-04-01,659.794 1971-07-01,670.109 1971-10-01,682.175 1972-01-01,708.353 1972-04-01,722.472 1972-07-01,735.743 1972-10-01,758.765 1973-01-01,785.41 1973-04-01,803.214 1973-07-01,820.407 1973-10-01,841.697 1974-01-01,858.334 1974-04-01,878.489 1974-07-01,900.196 1974-10-01,913.838 1975-01-01,918.38 1975-04-01,931.175 1975-07-01,955.99 1975-10-01,983.379 1976-01-01,1014.715 1976-04-01,1035.504 1976-07-01,1058.375 1976-10-01,1084.794 1977-01-01,1113.279 1977-04-01,1150.291 1977-07-01,1182.109 1977-10-01,1217.622 1978-01-01,1250.911 1978-04-01,1299.127 1978-07-01,1336.859 1978-10-01,1380.158 1979-01-01,1422.516 1979-04-01,1454.749 1979-07-01,1496.72 1979-10-01,1534.939 1980-01-01,1573.594 1980-04-01,1599.17 1980-07-01,1628.599 1980-10-01,1687.627 1981-01-01,1739.612 1981-04-01,1774.75 1981-07-01,1815.085 1981-10-01,1840.652 1982-01-01,1864.663 1982-04-01,1884.363 1982-07-01,1904.756 1982-10-01,1918.147 1983-01-01,1947.207 1983-04-01,1986.295 1983-07-01,2029.635 1983-10-01,2086.815 1984-01-01,2143.849 1984-04-01,2195.159 1984-07-01,2241.61 1984-10-01,2282.869 1985-01-01,2323.513 1985-04-01,2363.643 1985-07-01,2406.422 1985-10-01,2455.72 1986-01-01,2491.109 1986-04-01,2517.187 1986-07-01,2555.233 1986-10-01,2604.724 1987-01-01,2647.757 1987-04-01,2692.023 1987-07-01,2740.263 1987-10-01,2809.576 1988-01-01,2857.56 1988-04-01,2923.125 1988-07-01,2975.841 1988-10-01,3035.418 1989-01-01,3079.06 1989-04-01,3114.552 1989-07-01,3155.045 1989-10-01,3209.749 1990-01-01,3272.763 1990-04-01,3334.711 1990-07-01,3372.521 1990-10-01,3381.496 1991-01-01,3387.532 1991-04-01,3427.613 1991-07-01,3469.924 1991-10-01,3516.988 1992-01-01,3595.67 1992-04-01,3651.9 1992-07-01,3688.514 1992-10-01,3736.905 1993-01-01,3745.569 1993-04-01,3800.22 1993-07-01,3834.11 1993-10-01,3889.258 1994-01-01,3913.385 1994-04-01,3991.532 1994-07-01,4031.752 1994-10-01,4088.097 1995-01-01,4134.442 1995-04-01,4172.863 1995-07-01,4219.726 1995-10-01,4265.315 1996-01-01,4314.538 1996-04-01,4387.502 1996-07-01,4451.23 1996-10-01,4514.499 1997-01-01,4592.404 1997-04-01,4659.976 1997-07-01,4738.859 1997-10-01,4844.037 1998-01-01,4941.988 1998-04-01,5028.314 1998-07-01,5114.859 1998-10-01,5199.394 1999-01-01,5286.953 1999-04-01,5343.904 1999-07-01,5423.98 1999-10-01,5555.892 2000-01-01,5749.187 2000-04-01,5791.743 2000-07-01,5903.946 2000-10-01,5943.706 2001-01-01,6050.126 2001-04-01,6040.919 2001-07-01,6024.567 2001-10-01,6037.783 2002-01-01,6060.732 2002-04-01,6129.14 2002-07-01,6156.9 2002-10-01,6193.688 2003-01-01,6213.197 2003-04-01,6307.294 2003-07-01,6393.691 2003-10-01,6500.239 2004-01-01,6541.308 2004-04-01,6668.454 2004-07-01,6803.703 2004-10-01,6864.486 2005-01-01,6926.266 2005-04-01,7005.581 2005-07-01,7122.646 2005-10-01,7209.936 2006-01-01,7379.713 2006-04-01,7428.027 2006-07-01,7487.328 2006-10-01,7623.638 2007-01-01,7805.987 2007-04-01,7845.158 2007-07-01,7885.205 2007-10-01,7977.549 2008-01-01,8054.87 2008-04-01,8054.881 2008-07-01,8074.387 2008-10-01,8043.164 2009-01-01,7730.374 2009-04-01,7761.958 2009-07-01,7746.527 2009-10-01,7797.217 2010-01-01,7767.627 2010-04-01,7910.633 2010-07-01,7982.234 2010-10-01,8040.983 2011-01-01,8170.086 2011-04-01,8206.445 2011-07-01,8287.289 2011-10-01,8240.879 2012-01-01,8456.399 2012-04-01,8503.777 2012-07-01,8546.085 2012-10-01,8763.19 2013-01-01,8732.585 2013-04-01,8819.553 2013-07-01,8845.56 2013-10-01,8942.457 2014-01-01,9114.238 2014-04-01,9172.447 2014-07-01,9280.613 2014-10-01,9433.535 2015-01-01,9563.849 2015-04-01,9666.156 2015-07-01,9751.718 2015-10-01,9815.952 2016-01-01,9851.656 2016-04-01,9905.216 2016-07-01,9998.495 2016-10-01,10109.063 2017-01-01,10224.281 2017-04-01,10335.907 2017-07-01,10478.366 2017-10-01,10658.933 2018-01-01,10783.04 2018-04-01,10891.035 2018-07-01,11042.029 2018-10-01,11113.516 2019-01-01,11329.137 2019-04-01,11388.885 2019-07-01,11453.042 2019-10-01,11615.381 2020-01-01,11779.787 2020-04-01,11052.048 2020-07-01,11570.35 2020-10-01,11990.383 2021-01-01,12092.762 2021-04-01,12409.481 2021-07-01,12713.152 2021-10-01,13030.689 2022-01-01,13188.418 2022-04-01,13296.081 2022-07-01,13610.009 2022-10-01,13696.826 2023-01-01,13907.738 2023-04-01,14119.954 2023-07-01,14365.442 2023-10-01,14544.74 2024-01-01,14768.684 2024-04-01,14966.425 2024-07-01,15127.207 2024-10-01,15304.433 2025-01-01,15461.675 2025-04-01,15604.764 2025-07-01,15775.806 2025-10-01,15942.667 2026-01-01,16163.342 2026-04-01,16349.724