Year	current US$
1970	1436012772.2222223
1971	1415882726.5035672
1972	1746263516.6448143
1973	2469946842.437865
1974	2271660513.724718
1975	1912872321.1051676
1976	2486954704.4789705
1977	2997930758.630964
1978	3738364691.9788237
1979	4473737993.976454
1980	6007778322.207561
1981	5963154385.818539
1982	5459448250.277926
1983	5187362028.902155
1984	5843436794.408951
1985	5887795031.186094
1986	6442063650.680809
1987	8367566080.71904
1988	9856221805.87538
1989	5420148813.751953
1990	3457127979.695081
1991	4061911590.143623
1992	6797527921.150434
1993	6397232975.832255
1994	9491447815.137396
1995	9754453559.232656
1996	8391317817.48516
1997	2630776364.172843
1998	265841031.64654142
1999	3442287905.5508537
2000	3678357173.6780324
2001	4530609591.628
2002	6848342744.122244
2003	8044266756.373266
2004	8202933646.3542
2005	14168258962.675856
2006	18614901379.458
2007	17596929178.32591
2008	22601696022.13633
2009	18979353447.30849
2010	23757153903.44313
2011	35325213319.930405
2012	35873964937.79016
2013	36137878080.25982
2014	37714929994.680435
2015	25649345206.882915
2016	18153758187.802574
2017	23536514446.663918
2018	26575036305.885723
2019	23006216735.68624
2020	16807370836.526657
2021	30452558797.502716
2022	45055389985.029755