Year	current US$
1970	31965132194.280567
1971	34744255470.15891
1972	37582217261.942535
1973	44137878011.666176
1974	41356315313.34135
1975	46686651430.24369
1976	47967519379.154274
1977	57267754919.52627
1978	74311728484.64513
1979	93254743133.04385
1980	110962216044.4742
1981	99493225778.11404
1982	93927112199.03116
1983	92440482126.77403
1984	88502693177.57817
1985	91465786777.37015
1986	105224807041.10907
1987	132150114256.28822
1988	163017340363.58032
1989	163376443815.87735
1990	178728990007.79416
1991	178998755484.50153
1992	172819623760.24823
1993	153868883119.97266
1994	189899288371.69366
1995	208664432414.73303
1996	223266766779.00418
1997	253324949058.1986
1998	289074620687.4372
1999	269295707284.20633
2000	276290569122.3242
2001	272617814358.0965
2002	292522948027.57965
2003	331144434683.84503
2004	374667669662.4941
2005	406747014361.23254
2006	413465449172.17944
2007	460982515149.72614
2008	401592998271.08685
2009	287190285236.3525
2010	333303276698.9769
2011	380990248052.2842
2012	349618009765.32367
2013	331776191205.3671
2014	389247247584.3985
2015	378405344452.94275
2016	335723344627.2108
2017	401771257431.2241
2018	409277267716.06226
2019	447332985009.9881
2020	396681509553.16693
2021	548479844215.872
2022	516537309336.5825
2023	514109225998.23004