date,value 1947-01-01,1.709 1947-04-01,1.664 1947-07-01,1.77 1947-10-01,1.749 1948-01-01,1.831 1948-04-01,1.759 1948-07-01,1.738 1948-10-01,1.909 1949-01-01,1.809 1949-04-01,1.634 1949-07-01,1.544 1949-10-01,1.525 1950-01-01,1.607 1950-04-01,1.822 1950-07-01,1.878 1950-10-01,2.056 1951-01-01,1.979 1951-04-01,2.106 1951-07-01,2.251 1951-10-01,2.261 1952-01-01,2.399 1952-04-01,2.641 1952-07-01,2.241 1952-10-01,2.439 1953-01-01,2.625 1953-04-01,2.681 1953-07-01,2.811 1953-10-01,2.547 1954-01-01,2.457 1954-04-01,2.349 1954-07-01,2.402 1954-10-01,2.488 1955-01-01,2.396 1955-04-01,2.619 1955-07-01,3.025 1955-10-01,3.232 1956-01-01,3.123 1956-04-01,3.39 1956-07-01,3.432 1956-10-01,3.476 1957-01-01,3.644 1957-04-01,3.968 1957-07-01,4.285 1957-10-01,4.031 1958-01-01,3.696 1958-04-01,3.475 1958-07-01,3.564 1958-10-01,3.691 1959-01-01,3.759 1959-04-01,3.837 1959-07-01,3.96 1959-10-01,4.395 1960-01-01,4.592 1960-04-01,4.94 1960-07-01,4.817 1960-10-01,5.129 1961-01-01,4.833 1961-04-01,5.338 1961-07-01,5.352 1961-10-01,5.52 1962-01-01,5.855 1962-04-01,5.723 1962-07-01,5.554 1962-10-01,5.694 1963-01-01,6.043 1963-04-01,6.459 1963-07-01,6.767 1963-10-01,6.843 1964-01-01,7.194 1964-04-01,7.295 1964-07-01,7.23 1964-10-01,7.74 1965-01-01,7.844 1965-04-01,8.255 1965-07-01,8.778 1965-10-01,9.19 1966-01-01,9.832 1966-04-01,10.487 1966-07-01,10.937 1966-10-01,11.397 1967-01-01,11.125 1967-04-01,11.222 1967-07-01,11.058 1967-10-01,11.695 1968-01-01,11.854 1968-04-01,11.711 1968-07-01,12.033 1968-10-01,12.057 1969-01-01,13.031 1969-04-01,14.17 1969-07-01,15.227 1969-10-01,16.019 1970-01-01,16.693 1970-04-01,16.991 1970-07-01,16.36 1970-10-01,16.506 1971-01-01,16.173 1971-04-01,17.299 1971-07-01,17.595 1971-10-01,18.274 1972-01-01,19.111 1972-04-01,19.067 1972-07-01,19.498 1972-10-01,20.14 1973-01-01,21.567 1973-04-01,22.732 1973-07-01,23.358 1973-10-01,24.662 1974-01-01,25.144 1974-04-01,25.629 1974-07-01,27.885 1974-10-01,29.269 1975-01-01,29.086 1975-04-01,28.453 1975-07-01,28.225 1975-10-01,28.379 1976-01-01,29.424 1976-04-01,31.613 1976-07-01,33.657 1976-10-01,36.169 1977-01-01,36.828 1977-04-01,38.577 1977-07-01,39.636 1977-10-01,41.618 1978-01-01,43.694 1978-04-01,47.777 1978-07-01,50.365 1978-10-01,52.91 1979-01-01,55.541 1979-04-01,56.712 1979-07-01,59.354 1979-10-01,62.327 1980-01-01,65.402 1980-04-01,66.742 1980-07-01,70.672 1980-10-01,72.268 1981-01-01,76.521 1981-04-01,79.462 1981-07-01,82.922 1981-10-01,86.951 1982-01-01,90.226 1982-04-01,87.53 1982-07-01,88.361 1982-10-01,86.916 1983-01-01,92.111 1983-04-01,97.372 1983-07-01,101.304 1983-10-01,109.484 1984-01-01,112.048 1984-04-01,119.213 1984-07-01,124.152 1984-10-01,130.744 1985-01-01,128.852 1985-04-01,131.394 1985-07-01,128.682 1985-10-01,132.468 1986-01-01,132.999 1986-04-01,136.466 1986-07-01,136.286 1986-10-01,141.297 1987-01-01,137.624 1987-04-01,138.95 1987-07-01,143.608 1987-10-01,144.567 1988-01-01,148.426 1988-04-01,153.476 1988-07-01,155.832 1988-10-01,158.615 1989-01-01,163.75 1989-04-01,170.56 1989-07-01,174.995 1989-10-01,175.946 1990-01-01,176.747 1990-04-01,174.741 1990-07-01,172.364 1990-10-01,176.042 1991-01-01,173.727 1991-04-01,176.392 1991-07-01,179.165 1991-10-01,182.361 1992-01-01,183.803 1992-04-01,190.503 1992-07-01,198.638 1992-10-01,199.54 1993-01-01,204.251 1993-04-01,206.392 1993-07-01,215.012 1993-10-01,216.419 1994-01-01,221.266 1994-04-01,224.681 1994-07-01,228.431 1994-10-01,235.036 1995-01-01,243.954 1995-04-01,253.589 1995-07-01,254.386 1995-10-01,263.452 1996-01-01,270.933 1996-04-01,274.982 1996-07-01,283.129 1996-10-01,287.717 1997-01-01,299.292 1997-04-01,310.226 1997-07-01,326.308 1997-10-01,330.369 1998-01-01,341.063 1998-04-01,346.082 1998-07-01,348.694 1998-10-01,361.495 1999-01-01,375.134 1999-04-01,396.242 1999-07-01,408.032 1999-10-01,406.204 2000-01-01,431.256 2000-04-01,450.048 2000-07-01,455.602 2000-10-01,465.497 2001-01-01,453.964 2001-04-01,429.394 2001-07-01,410.212 2001-10-01,400.761 2002-01-01,393.877 2002-04-01,390.719 2002-07-01,393.573 2002-10-01,378.86 2003-01-01,383.683 2003-04-01,387.04 2003-07-01,404.231 2003-10-01,415.664 2004-01-01,413.152 2004-04-01,418.877 2004-07-01,426.066 2004-10-01,430.196 2005-01-01,435.246 2005-04-01,442.398 2005-07-01,451.421 2005-10-01,453.331 2006-01-01,470.656 2006-04-01,471.96 2006-07-01,482.821 2006-10-01,486.69 2007-01-01,510.325 2007-04-01,512.132 2007-07-01,516.045 2007-10-01,530.652 2008-01-01,538.037 2008-04-01,541.155 2008-07-01,534.694 2008-10-01,506.612 2009-01-01,491.161 2009-04-01,489.848 2009-07-01,503.486 2009-10-01,522.129 2010-01-01,525.88 2010-04-01,528.024 2010-07-01,537.761 2010-10-01,543.927 2011-01-01,544.668 2011-04-01,559.155 2011-07-01,570.968 2011-10-01,577.471 2012-01-01,596.987 2012-04-01,605.909 2012-07-01,597.93 2012-10-01,612.358 2013-01-01,632.733 2013-04-01,621.684 2013-07-01,630.601 2013-10-01,636.373 2014-01-01,640.37 2014-04-01,656.511 2014-07-01,659.631 2014-10-01,666.764 2015-01-01,668.096 2015-04-01,673.6 2015-07-01,682.353 2015-10-01,689.969 2016-01-01,700.323 2016-04-01,707.485 2016-07-01,716.368 2016-10-01,728.325 2017-01-01,741.33 2017-04-01,763.208 2017-07-01,775.094 2017-10-01,795.998 2018-01-01,814.355 2018-04-01,825.035 2018-07-01,837.832 2018-10-01,840.391 2019-01-01,842.315 2019-04-01,855.735 2019-07-01,855.406 2019-10-01,857.419 2020-01-01,850.107 2020-04-01,857.142 2020-07-01,888.719 2020-10-01,917.58 2021-01-01,945.758 2021-04-01,967.549 2021-07-01,975.278 2021-10-01,1017.415 2022-01-01,1057.902 2022-04-01,1075.297 2022-07-01,1099.55 2022-10-01,1094.706 2023-01-01,1109.7 2023-04-01,1107.172 2023-07-01,1114.626 2023-10-01,1142.85 2024-01-01,1153.521 2024-04-01,1183.687 2024-07-01,1227.161 2024-10-01,1235.805 2025-01-01,1320.107 2025-04-01,1374.816 2025-07-01,1426.042 2025-10-01,1494.995 2026-01-01,1586.328 2026-04-01,1645.684