Year	constant 2015 US$
1960	269922770.1812975
1961	278686487.7747905
1962	293584763.28203857
1963	310235875.4301727
1964	317246841.0514879
1965	374885796.54195666
1966	401224536.03242505
1967	397959651.383678
1968	418164952.519086
1969	477024301.9966878
1970	458576153.9490707
1971	448033880.8998643
1972	513920966.79753083
1973	560481719.9852179
1974	644816861.7624693
1975	613193684.8591264
1976	686986737.9567151
1977	597379260.9849925
1978	688748270.6832601
1979	728869571.7291079
1980	769896996.520787
1981	823789770.8356651
1982	886397772.0976597
1983	1006061497.1410735
1984	1083528190.920932
1985	1163709290.586968
1986	1487220477.6258776
1987	1513990448.7581158
1988	1312629732.0847979
1989	1279813988.959699
1990	1446189871.9992292
1991	1579239366.3801982
1992	1313927092.1708455
1993	1248521920.1550958
1994	1223027533.1474214
1995	1278130234.1506417
1996	1396414174.739876
1997	1413973882.1298406
1998	1508057256.7693152
1999	1567275328.8824835
2000	1621333112.5664694
2001	1773554343.2839592
2002	1770231982.1748252
2003	1910549031.8860147
2004	1992287506.3117561
2005	2053894850.8636112
2006	2138575098.5460885
2007	2413253870.7034698
2008	2655667845.297768
2009	2833802338.942361
2010	3029198455.9051375
2011	3200232460.931095
2012	3391404522.6619945
2013	3586465364.094714
2014	3750447304.206901
2015	3947005098.1106906
2016	4066952092.1604676
2017	4069337479.848833
2018	4255530365.1755013
2019	4416246262.093805
2020	4464716615.935293
2021	4582622691.696798
2022	4424768615.196576
2023	4982953176.003624