observation_date,GDPC1 1947-01-01,2182.681 1947-04-01,2176.892 1947-07-01,2172.432 1947-10-01,2206.452 1948-01-01,2239.682 1948-04-01,2276.690 1948-07-01,2289.770 1948-10-01,2292.364 1949-01-01,2260.807 1949-04-01,2253.128 1949-07-01,2276.424 1949-10-01,2257.352 1950-01-01,2346.104 1950-04-01,2417.682 1950-07-01,2511.127 1950-10-01,2559.214 1951-01-01,2593.967 1951-04-01,2638.898 1951-07-01,2693.259 1951-10-01,2699.156 1952-01-01,2727.954 1952-04-01,2733.800 1952-07-01,2753.517 1952-10-01,2843.941 1953-01-01,2896.811 1953-04-01,2919.206 1953-07-01,2902.785 1953-10-01,2858.845 1954-01-01,2845.192 1954-04-01,2848.305 1954-07-01,2880.482 1954-10-01,2936.852 1955-01-01,3020.746 1955-04-01,3069.910 1955-07-01,3111.379 1955-10-01,3130.068 1956-01-01,3117.922 1956-04-01,3143.694 1956-07-01,3140.874 1956-10-01,3192.570 1957-01-01,3213.011 1957-04-01,3205.970 1957-07-01,3237.386 1957-10-01,3203.894 1958-01-01,3120.724 1958-04-01,3141.224 1958-07-01,3213.884 1958-10-01,3289.032 1959-01-01,3352.129 1959-04-01,3427.667 1959-07-01,3430.057 1959-10-01,3439.832 1960-01-01,3517.181 1960-04-01,3498.246 1960-07-01,3515.385 1960-10-01,3470.278 1961-01-01,3493.703 1961-04-01,3553.021 1961-07-01,3621.252 1961-10-01,3692.289 1962-01-01,3758.147 1962-04-01,3792.149 1962-07-01,3838.776 1962-10-01,3851.421 1963-01-01,3893.482 1963-04-01,3937.183 1963-07-01,4023.755 1963-10-01,4050.147 1964-01-01,4135.553 1964-04-01,4180.592 1964-07-01,4245.918 1964-10-01,4259.046 1965-01-01,4362.111 1965-04-01,4417.225 1965-07-01,4515.427 1965-10-01,4619.458 1966-01-01,4731.888 1966-04-01,4748.046 1966-07-01,4788.254 1966-10-01,4827.537 1967-01-01,4870.299 1967-04-01,4873.287 1967-07-01,4919.392 1967-10-01,4956.477 1968-01-01,5057.553 1968-04-01,5142.033 1968-07-01,5181.859 1968-10-01,5202.212 1969-01-01,5283.597 1969-04-01,5299.625 1969-07-01,5334.600 1969-10-01,5308.556 1970-01-01,5300.652 1970-04-01,5308.164 1970-07-01,5357.077 1970-10-01,5299.672 1971-01-01,5443.619 1971-04-01,5473.059 1971-07-01,5518.072 1971-10-01,5531.032 1972-01-01,5632.649 1972-04-01,5760.470 1972-07-01,5814.854 1972-10-01,5912.220 1973-01-01,6058.544 1973-04-01,6124.506 1973-07-01,6092.301 1973-10-01,6150.131 1974-01-01,6097.258 1974-04-01,6111.751 1974-07-01,6053.978 1974-10-01,6030.464 1975-01-01,5957.035 1975-04-01,5999.610 1975-07-01,6102.326 1975-10-01,6184.530 1976-01-01,6323.649 1976-04-01,6370.025 1976-07-01,6404.895 1976-10-01,6451.177 1977-01-01,6527.703 1977-04-01,6654.466 1977-07-01,6774.457 1977-10-01,6774.592 1978-01-01,6796.260 1978-04-01,7058.920 1978-07-01,7129.915 1978-10-01,7225.750 1979-01-01,7238.727 1979-04-01,7246.454 1979-07-01,7300.281 1979-10-01,7318.535 1980-01-01,7341.557 1980-04-01,7190.289 1980-07-01,7181.743 1980-10-01,7315.677 1981-01-01,7459.022 1981-04-01,7403.745 1981-07-01,7492.405 1981-10-01,7410.768 1982-01-01,7295.631 1982-04-01,7328.912 1982-07-01,7300.896 1982-10-01,7303.817 1983-01-01,7400.066 1983-04-01,7568.456 1983-07-01,7719.746 1983-10-01,7880.794 1984-01-01,8034.847 1984-04-01,8173.670 1984-07-01,8252.465 1984-10-01,8320.199 1985-01-01,8400.820 1985-04-01,8474.787 1985-07-01,8604.220 1985-10-01,8668.188 1986-01-01,8749.127 1986-04-01,8788.524 1986-07-01,8872.601 1986-10-01,8920.193 1987-01-01,8986.367 1987-04-01,9083.256 1987-07-01,9162.024 1987-10-01,9319.332 1988-01-01,9367.502 1988-04-01,9490.594 1988-07-01,9546.206 1988-10-01,9673.405 1989-01-01,9771.725 1989-04-01,9846.293 1989-07-01,9919.228 1989-10-01,9938.767 1990-01-01,10047.386 1990-04-01,10083.855 1990-07-01,10090.569 1990-10-01,9998.704 1991-01-01,9951.916 1991-04-01,10029.510 1991-07-01,10080.195 1991-10-01,10115.329 1992-01-01,10236.435 1992-04-01,10347.429 1992-07-01,10449.673 1992-10-01,10558.648 1993-01-01,10576.275 1993-04-01,10637.847 1993-07-01,10688.606 1993-10-01,10833.987 1994-01-01,10939.116 1994-04-01,11087.361 1994-07-01,11152.176 1994-10-01,11279.932 1995-01-01,11319.951 1995-04-01,11353.721 1995-07-01,11450.310 1995-10-01,11528.067 1996-01-01,11614.418 1996-04-01,11808.140 1996-07-01,11914.063 1996-10-01,12037.775 1997-01-01,12115.472 1997-04-01,12317.221 1997-07-01,12471.010 1997-10-01,12577.495 1998-01-01,12703.742 1998-04-01,12821.339 1998-07-01,12982.752 1998-10-01,13191.670 1999-01-01,13315.597 1999-04-01,13426.748 1999-07-01,13604.771 1999-10-01,13827.980 2000-01-01,13878.147 2000-04-01,14130.908 2000-07-01,14145.312 2000-10-01,14229.765 2001-01-01,14183.120 2001-04-01,14271.694 2001-07-01,14214.516 2001-10-01,14253.574 2002-01-01,14372.785 2002-04-01,14460.848 2002-07-01,14519.633 2002-10-01,14537.580 2003-01-01,14614.141 2003-04-01,14743.567 2003-07-01,14988.782 2003-10-01,15162.760 2004-01-01,15248.680 2004-04-01,15366.850 2004-07-01,15512.619 2004-10-01,15670.880 2005-01-01,15844.727 2005-04-01,15922.782 2005-07-01,16047.587 2005-10-01,16136.734 2006-01-01,16353.835 2006-04-01,16396.151 2006-07-01,16420.738 2006-10-01,16561.866 2007-01-01,16611.690 2007-04-01,16713.314 2007-07-01,16809.587 2007-10-01,16915.191 2008-01-01,16843.003 2008-04-01,16943.291 2008-07-01,16854.295 2008-10-01,16485.350 2009-01-01,16298.262 2009-04-01,16269.145 2009-07-01,16326.281 2009-10-01,16502.754 2010-01-01,16582.710 2010-04-01,16743.162 2010-07-01,16872.266 2010-10-01,16960.864 2011-01-01,16920.632 2011-04-01,17035.114 2011-07-01,17031.313 2011-10-01,17222.583 2012-01-01,17367.010 2012-04-01,17444.525 2012-07-01,17469.650 2012-10-01,17489.852 2013-01-01,17662.400 2013-04-01,17709.671 2013-07-01,17860.450 2013-10-01,18016.147 2014-01-01,17953.974 2014-04-01,18185.911 2014-07-01,18406.941 2014-10-01,18500.031 2015-01-01,18666.621 2015-04-01,18782.243 2015-07-01,18857.418 2015-10-01,18892.206 2016-01-01,19001.690 2016-04-01,19062.709 2016-07-01,19197.938 2016-10-01,19304.352 2017-01-01,19398.343 2017-04-01,19506.949 2017-07-01,19660.766 2017-10-01,19882.352 2018-01-01,20044.077 2018-04-01,20150.476 2018-07-01,20276.154 2018-10-01,20304.874 2019-01-01,20431.641 2019-04-01,20602.275 2019-07-01,20843.322 2019-10-01,20985.448 2020-01-01,20709.212 2020-04-01,19077.992 2020-07-01,20558.879 2020-10-01,20791.917 2021-01-01,21082.134 2021-04-01,21440.929 2021-07-01,21617.828 2021-10-01,21988.737 2022-01-01,21932.710 2022-04-01,21967.045 2022-07-01,22125.625 2022-10-01,22278.345 2023-01-01,22439.607 2023-04-01,22580.499 2023-07-01,22840.989 2023-10-01,23033.780 2024-01-01,23082.119 2024-04-01,23286.508 2024-07-01,23478.570 2024-10-01,23586.542 2025-01-01,23548.210 2025-04-01,23770.976