date,value 1945-10-01,134635.0 1946-10-01,158074.0 1947-10-01,206381.0 1948-10-01,229359.0 1949-10-01,246931.0 1950-10-01,278126.0 1951-10-01,308963.0 1952-01-01,311906.0 1952-04-01,322754.0 1952-07-01,324183.0 1952-10-01,334895.0 1953-01-01,340387.0 1953-04-01,347238.0 1953-07-01,357332.0 1953-10-01,355919.0 1954-01-01,357485.0 1954-04-01,361814.0 1954-07-01,371385.0 1954-10-01,379599.0 1955-01-01,384467.0 1955-04-01,394908.0 1955-07-01,406169.0 1955-10-01,414487.0 1956-01-01,424188.0 1956-04-01,433166.0 1956-07-01,440946.0 1956-10-01,445773.0 1957-01-01,453596.0 1957-04-01,461358.0 1957-07-01,468792.0 1957-10-01,471674.0 1958-01-01,468427.0 1958-04-01,474349.0 1958-07-01,484262.0 1958-10-01,493819.0 1959-01-01,493678.0 1959-04-01,504127.0 1959-07-01,513598.0 1959-10-01,521544.0 1960-01-01,534527.0 1960-04-01,539185.0 1960-07-01,545818.0 1960-10-01,547589.0 1961-01-01,545980.0 1961-04-01,556950.0 1961-07-01,567010.0 1961-10-01,576368.0 1962-01-01,584759.0 1962-04-01,590011.0 1962-07-01,594920.0 1962-10-01,603604.0 1963-01-01,611427.0 1963-04-01,612853.0 1963-07-01,623306.0 1963-10-01,628622.0 1964-01-01,630274.0 1964-04-01,643749.0 1964-07-01,649814.0 1964-10-01,662499.0 1965-01-01,669614.0 1965-04-01,675093.0 1965-07-01,681036.0 1965-10-01,696286.0 1966-01-01,696079.0 1966-04-01,726016.0 1966-07-01,728570.0 1966-10-01,748935.0 1967-01-01,753320.0 1967-04-01,762765.0 1967-07-01,774483.0 1967-10-01,794221.0 1968-01-01,817753.0 1968-04-01,836122.0 1968-07-01,849479.0 1968-10-01,889605.0 1969-01-01,914582.0 1969-04-01,932881.0 1969-07-01,945017.0 1969-10-01,968674.0 1970-01-01,973544.0 1970-04-01,1006440.0 1970-07-01,1005793.0 1970-10-01,1025204.0 1971-01-01,1051931.0 1971-04-01,1078498.0 1971-07-01,1104238.0 1971-10-01,1127739.0 1972-01-01,1171254.0 1972-04-01,1192509.0 1972-07-01,1232534.0 1972-10-01,1290675.0 1973-01-01,1322715.0 1973-04-01,1369699.0 1973-07-01,1430284.0 1973-10-01,1472632.0 1974-01-01,1462386.0 1974-04-01,1461485.0 1974-07-01,1475406.0 1974-10-01,1517696.0 1975-01-01,1582858.0 1975-04-01,1642027.0 1975-07-01,1642336.0 1975-10-01,1684206.0 1976-01-01,1717934.0 1976-04-01,1789837.0 1976-07-01,1826561.0 1976-10-01,1880025.0 1977-01-01,1949358.0 1977-04-01,2047570.0 1977-07-01,2125108.0 1977-10-01,2211304.0 1978-01-01,2286391.0 1978-04-01,2392252.0 1978-07-01,2483986.0 1978-10-01,2577511.0 1979-01-01,2704236.0 1979-04-01,2832579.0 1979-07-01,2937035.0 1979-10-01,3025997.0 1980-01-01,3142501.0 1980-04-01,3229277.0 1980-07-01,3354028.0 1980-10-01,3413722.0 1981-01-01,3458906.0 1981-04-01,3637211.0 1981-07-01,3743288.0 1981-10-01,3803851.0 1982-01-01,3903891.0 1982-04-01,3935371.0 1982-07-01,3948646.0 1982-10-01,3989640.0 1983-01-01,4047656.0 1983-04-01,4100094.0 1983-07-01,4154821.0 1983-10-01,4209025.0 1984-01-01,4392428.0 1984-04-01,4541101.0 1984-07-01,4684933.0 1984-10-01,4816552.0 1985-01-01,4960183.0 1985-04-01,5129577.0 1985-07-01,5314358.0 1985-10-01,5491094.0 1986-01-01,5604894.0 1986-04-01,5757154.0 1986-07-01,5910239.0 1986-10-01,6048691.0 1987-01-01,6193145.0 1987-04-01,6346662.0 1987-07-01,6494097.0 1987-10-01,6598602.0 1988-01-01,6752673.0 1988-04-01,6949439.0 1988-07-01,7086266.0 1988-10-01,7207102.0 1989-01-01,7332385.0 1989-04-01,7477830.0 1989-07-01,7686020.0 1989-10-01,7797521.0 1990-01-01,7805399.0 1990-04-01,7862721.0 1990-07-01,7941574.0 1990-10-01,7927184.0 1991-01-01,7929657.0 1991-04-01,7984868.0 1991-07-01,8030794.0 1991-10-01,8079609.0 1992-01-01,8136259.0 1992-04-01,8179632.0 1992-07-01,8277925.0 1992-10-01,8353634.0 1993-01-01,8369238.0 1993-04-01,8478560.0 1993-07-01,8597680.0 1993-10-01,8712100.0 1994-01-01,8798940.0 1994-04-01,8918957.0 1994-07-01,9032645.0 1994-10-01,9111186.0 1995-01-01,9169003.0 1995-04-01,9266273.0 1995-07-01,9181826.0 1995-10-01,9268081.0 1996-01-01,9376746.0 1996-04-01,9491919.0 1996-07-01,9601536.0 1996-10-01,9722744.0 1997-01-01,9856491.0 1997-04-01,9998749.0 1997-07-01,10146729.0 1997-10-01,10342784.0 1998-01-01,10534681.0 1998-04-01,10817551.0 1998-07-01,11059063.0 1998-10-01,11304866.0 1999-01-01,11472441.0 1999-04-01,11762463.0 1999-07-01,12119074.0 1999-10-01,12381335.0 2000-01-01,12734436.0 2000-04-01,13253952.0 2000-07-01,13735815.0 2000-10-01,14162324.0 2001-01-01,14863733.0 2001-04-01,15275773.0 2001-07-01,15673007.0 2001-10-01,15973967.0 2002-01-01,16392195.0 2002-04-01,16751009.0 2002-07-01,17145089.0 2002-10-01,17566326.0 2003-01-01,18002275.0 2003-04-01,18409149.0 2003-07-01,18806815.0 2003-10-01,19264145.0 2004-01-01,20045072.0 2004-04-01,20744973.0 2004-07-01,21576362.0 2004-10-01,22285402.0 2005-01-01,23024167.0 2005-04-01,23776212.0 2005-07-01,24648780.0 2005-10-01,25392202.0 2006-01-01,25544128.0 2006-04-01,26012172.0 2006-07-01,26364011.0 2006-10-01,26521255.0 2007-01-01,26332379.0 2007-04-01,26299758.0 2007-07-01,26169594.0 2007-10-01,25831899.0 2008-01-01,24981202.0 2008-04-01,24453458.0 2008-07-01,23865116.0 2008-10-01,23242775.0 2009-01-01,22591885.0 2009-04-01,21848141.0 2009-07-01,21480117.0 2009-10-01,21152271.0 2010-01-01,21099853.0 2010-04-01,21135445.0 2010-07-01,20981086.0 2010-10-01,20748905.0 2011-01-01,20448851.0 2011-04-01,20311943.0 2011-07-01,20228278.0 2011-10-01,20171160.0 2012-01-01,19969052.0 2012-04-01,20148528.0 2012-07-01,20427421.0 2012-10-01,20632459.0 2013-01-01,21051596.0 2013-04-01,21652377.0 2013-07-01,22280849.0 2013-10-01,22634943.0 2014-01-01,22889388.0 2014-04-01,23413548.0 2014-07-01,23855532.0 2014-10-01,24200569.0 2015-01-01,24641771.0 2015-04-01,25170231.0 2015-07-01,25629890.0 2015-10-01,25936491.0 2016-01-01,26164829.0 2016-04-01,26798635.0 2016-07-01,27424626.0 2016-10-01,27856777.0 2017-01-01,28226972.0 2017-04-01,28954686.0 2017-07-01,29417309.0 2017-10-01,29895665.0 2018-01-01,30565426.0 2018-04-01,30972146.0 2018-07-01,31442760.0 2018-10-01,30992439.0 2019-01-01,31031541.0 2019-04-01,32210678.0 2019-07-01,32254593.0 2019-10-01,32080649.0 2020-01-01,33103098.0 2020-04-01,33586119.0 2020-07-01,34818142.0 2020-10-01,35977415.0 2021-01-01,37627500.0 2021-04-01,40690492.0 2021-07-01,42687535.0 2021-10-01,43450372.0 2022-01-01,46194411.0 2022-04-01,48524436.0 2022-07-01,47227072.0 2022-10-01,46191795.0 2023-01-01,46435573.0 2023-04-01,49031255.0 2023-07-01,49472735.0 2023-10-01,48842748.0 2024-01-01,49868434.0 2024-04-01,51615113.0 2024-07-01,51255770.0 2024-10-01,50955452.0 2025-01-01,51455884.0 2025-04-01,52563982.0 2025-07-01,52382750.0 2025-10-01,52015266.0 2026-01-01,52942961.0 2026-04-01,54073947.0