Year	constant 2015 US$
1962	267836737.21651125
1963	254314744.87443057
1964	300277459.8468584
1965	433860522.7825975
1966	507209302.9274279
1967	567231706.1086506
1968	574711196.5408038
1969	625103184.3709415
1970	633024579.9808891
1971	691788899.0095197
1972	785015941.8230604
1973	1051849079.3262204
1974	1194521827.2893708
1975	1129135522.2645366
1976	1529296177.2126186
1977	1793055123.8928068
1978	2193955484.6134925
1979	2693328945.700231
1980	3221521723.695363
1981	3743696975.048382
1982	3072153343.0996985
1983	2539360305.329041
1984	2569731723.443739
1985	2577452920.9741735
1986	2707923740.9290447
1987	2905894068.409305
1988	3029873816.0820622
1989	3409596161.235349
1990	3681188844.901854
1991	3873624631.5146985
1992	4002126315.552353
1993	4278896615.5633616
1994	4630091276.907436
1995	4851564128.306898
1996	4581473281.491953
1997	4716146113.552882
1998	4220832232.174944
1999	3756967271.23568
2000	3681455622.609224
2001	3453292643.4540377
2002	3442961879.598993
2003	3828330129.9646807
2004	3983954265.9443045
2005	4055217889.199673
2006	4239674223.0823474
2007	4741210787.451495
2008	5528009546.161197
2009	5169601795.577831
2010	6597772048.392826
2011	6772077823.171009
2012	6207248719.599167
2013	6697985472.339293
2014	7172002080.847505
2015	7024945999.96926
2016	7167403259.523647
2017	7589400415.209817
2018	8111360201.219535
2019	7616078018.933555
2020	8019263709.826837
2021	9482695932.271883
2022	9310494512.583342
2023	8982871696.892723