Year	current US$
1970	250721821.55367813
1971	264579879.7848782
1972	295118249.3249325
1973	345602025.37539285
1974	376094108.4753313
1975	474620439.5849604
1976	527936988.79127544
1977	625573345.5321745
1978	793675169.8785785
1979	1001300838.3233533
1980	1250242107.8796918
1981	1243469360.5683837
1982	1234518125
1983	1165771369.0062542
1984	1101828568.7680416
1985	1117835285.5051246
1986	1435079200.349574
1987	1751247763.4194832
1988	2019474244.1935902
1989	2118574772.1113575
1990	2547163582.331487
1991	2750041434.262948
1992	3021910216.718266
1993	2709178326.7827063
1994	2998570146.540952
1995	3720400048.638132
1996	3822882324.916627
1997	3793418974.5300856
1998	4010571333.849044
1999	4121350624.192854
2000	4069515556.7869196
2001	4088368961.758361
2002	4470446352.325691
2003	5448415539.812484
2004	6098092511.830045
2005	6416184235.838403
2006	6778324087.138176
2007	7925371458.805269
2008	9090406749.526703
2009	8696366868.922756
2010	9035824366.008041
2011	9638728635.014296
2012	9461776291.799128
2013	10551030596.75582
2014	11625848974.805069
2015	11091483659.615578
2016	11668015565.80819
2017	13484541925.771402
2018	15404393365.207321
2019	16004563885.753899
2020	15249999048.02971
2021	18123718946.600567
2022	18357069272.768166
2023	20956999452.431664