Year	constant 2015 US$
1960	488802118.0827157
1961	526144634.2090191
1962	529661199.44347805
1963	522293196.2840419
1964	536191957.59381104
1965	609202500.2314477
1966	689915960.7563639
1967	740152536.0126297
1968	725918816.778392
1969	768619974.1114726
1970	772303954.0928773
1971	897560562.3364125
1972	953490693.5440974
1973	975427287.5025928
1974	1045423594.7837956
1975	1109056687.0585854
1976	1164484359.6048396
1977	1221754065.699656
1978	1340814830.5207
1979	1399759111.8508697
1980	1405452581.8290756
1981	1339839550.6463196
1982	1359325594.0730987
1983	1407300355.0378206
1984	1512044522.6228583
1985	1597409327.4118204
1986	1596478468.4191072
1987	1622867870.009676
1988	1668757741.8773787
1989	1640326621.335796
1990	1759836740.6081655
1991	1914274575.352577
1992	1869828829.1130044
1993	1874324371.1726148
1994	1795956151.3412912
1995	2005814709.313035
1996	1946385281.9703841
1997	2105412693.5321224
1998	2113432501.0904133
1999	2068514759.230067
2000	2061751988.8346004
2001	2027669361.731655
2002	2063874944.9092424
2003	2184513220.892749
2004	2338359956.2826304
2005	2617174720.3801475
2006	2850618915.797846
2007	3051108481.1092324
2008	3333234187.8422346
2009	3563185958.727105
2010	3789488696.2530837
2011	3998607657.692003
2012	4176082317.169276
2013	4418114525.741167
2014	4675606631.854465
2015	4905425159.637797
2016	5138277465.400946
2017	5348523502.748664
2018	5591186597.59871
2019	5899270822.973212
2020	5871369954.851195
2021	5988797477.2737875
2022	6096032141.526161
2023	6212437603.306458