Year	current US$
1970	1345677231517.198
1971	1493599332662.588
1972	1728782719428.8652
1973	2063412802375.3113
1974	2316967434905.387
1975	2654996836175.255
1976	2873858124654.3745
1977	3244763957567.3667
1978	3863177322997.3584
1979	4457034282627.451
1980	4980036987992.496
1981	5018804143359.601
1982	5078257242592.997
1983	5307733667459.698
1984	5482285763810.852
1985	5802109200948.59
1986	7050437563300.28
1987	8164394154532.783
1988	9118068782155.18
1989	9514594081359.08
1990	10684704340677.275
1991	11277403126459.5
1992	12187964642354.19
1993	12359017060869.47
1994	13235242236561.459
1995	14553203199259.188
1996	14704625646584.83
1997	14475735969201.258
1998	14638058983227.41
1999	15476444440475.287
2000	15810091802941.312
2001	15841738683364.559
2002	16569944128698.729
2003	18517216402179.74
2004	20419466703558.836
2005	21482839401402.723
2006	22510437090797.89
2007	24415070821655.98
2008	25948016955435.992
2009	24828731900613.363
2010	25738772841302.31
2011	27591473735303.965
2012	27609163996304.434
2013	27861314051556.168
2014	28352326399104.81
2015	26896421011486.992
2016	27540652644040.492
2017	28639371122153.418
2018	30262793172804.223
2019	30489873897448.12
2020	29385121611156.312
2021	32700620524409.637
2022	33833674457135.598