Year	current US$
1960	19629697490.99974
1961	18619929169.326797
1962	19851182578.59006
1963	22035181348.712345
1964	25067924742.492462
1965	26566259578.97113
1966	28897119324.84503
1967	30826410139.79768
1968	34266106008.34432
1969	39222150386.9527
1970	45474819831.09935
1971	53706865561.825035
1972	65297466183.66658
1973	91411319068.81946
1974	131181807538.90236
1975	135067838638.66841
1976	162639651260.94727
1977	191692576340.34137
1978	227817196296.7805
1979	271553723048.6911
1980	344702208746.50854
1981	392971587635.77716
1982	372843002003.95233
1983	388332153368.7936
1984	440810662062.2865
1985	443548668828.877
1986	500102348931.0683
1987	599947355401.1523
1988	725439516600.4631
1989	786045197032.4731
1990	845065592677.7222
1991	954556779916.6682
1992	1061893432371.8337
1993	1162690243970.1677
1994	1339382244078.0671
1995	1581504363231.1694
1996	1643830044465.1692
1997	1729107688105.3972
1998	1583812118966.404
1999	1674933210460.5005
2000	1982093111385.7446
2001	1831177366341.4224
2002	1967314779501.779
2003	2299511562560.792
2004	2859556505626.5513
2005	3298247847821.373
2006	3840572687074.7476
2007	4477887579110.315
2008	5112422396360.3
2009	4285888907196.666
2010	5479518607549.415
2011	6458771527781.2705
2012	6747163647761.198
2013	6937890038475.271
2014	7134370776354.838
2015	6645678911177.854
2016	6410927923517.825
2017	7099166757405.502
2018	7712299554734.924
2019	7550060075747.11
2020	7234165900545.506
2021	9056456682759.578
2022	9675606452790.16
2023	9229497790356.662