Year	current US$
1970	522160227.2727273
1971	727960227.2727273
1972	868234760.9336052
1973	1203064462.4431376
1974	1705042521.2606301
1975	1562491867.2739103
1976	1692324751.605643
1977	2268729320.661739
1978	2467448268.2306075
1979	2855038003.40329
1980	3432345756.211439
1981	3594906287.201351
1982	3407478848.722827
1983	2726840372.2607756
1984	2894023386.3512306
1985	2998987272.2410545
1986	3853359705.334248
1987	5613075972.4075165
1988	6201713860.603524
1989	5570762475.938698
1990	6414141991.42815
1991	7033175283.873734
1992	7109165744.214618
1993	6036089977.989208
1994	6069782398.59088
1995	6877880037.160872
1996	7389493323.30827
1997	7534640635.335233
1998	8873333929.92786
1999	9387687740.287245
2000	9646553144.398087
2001	8305092810.234787
2002	9169450861.15575
2003	11767061348.733524
2004	14601170822.191229
2005	18830463086.89667
2006	20386398190.367622
2007	23599219779.876667
2008	18451880476.964203
2009	12096159097.820742
2010	12397212958.964798
2011	14052241416.861738
2012	13900842661.977137
2013	14882466671.460133
2014	16729026821.81294
2015	16206006148.939922
2016	19413531152.944756
2017	23619089775.73715
2018	25353113343.288345
2019	23554948557.549194
2020	21923208969.098076
2021	26258997124.8544
2022	28748488204.554783
2023	31036236441.100975