Year	current US$
1970	141460044.28307194
1971	175408597.73627898
1972	210691465.1860766
1973	279959839.95329195
1974	1019922056.5178237
1975	1387224007.5142467
1976	2196270830.894369
1977	1640754288.3266535
1978	1191194414.3617632
1979	1636410820.5181038
1980	2594666578.1267858
1981	2279456401.39053
1982	2060216425.6442194
1983	1796276590.7586684
1984	1846865061.900669
1985	1579253262.4150457
1986	913931862.9693359
1987	782267551.5267258
1988	1242914940.1762917
1989	1293696751.1306028
1990	2193820230.6204944
1991	2228488135.6805058
1992	1950844089.8023887
1993	1590298992.8921814
1994	1885302259.943421
1995	2328385585.2527523
1996	2824750534.3684907
1997	2958721294.6990137
1998	1700415258.5183764
1999	2118534849.2469778
2000	2960117413.606578
2001	2407893985.5426335
2002	2466086753.741543
2003	3026985327.574122
2004	3873105818.39468
2005	5503611139.497468
2006	5839164187.24675
2007	7075099126.217431
2008	9419178506.308702
2009	5913907922.118655
2010	8030030360.982642
2011	10859308471.490376
2012	9705437183.89801
2013	9371558896.955143
2014	9222221446.109974
2015	6809709963.316726
2016	6299471844.187639
2017	6986783820.217366
2018	8571939464.211425
2019	8662113846.8639
2020	6868427622.487708
2021	11270647704.794584
2022	12715868591.563868
2023	11508537314.118835