Year	current US$
1969	1915153704.5069115
1970	1972293784.622877
1971	2140744360.9022555
1972	2596993271.079374
1973	3359350465.079615
1974	3525152881.38372
1975	4337289125.130708
1976	4716645274.212369
1977	4647846816.916585
1978	5505159910.3687105
1979	6284621553.334065
1980	6723050321.436488
1981	6347026406.429391
1982	6298510357.349179
1983	5834055285.306154
1984	5437431318.681319
1985	5465262075.37155
1986	7879869580.859868
1987	9499694299.390774
1988	10030244174.378414
1989	10706542658.214693
1990	12772185646.859493
1991	12774101838.755304
1992	13205754385.964912
1993	11263894162.31609
1994	12180514590.144085
1995	14040625857.809498
1996	12962091503.267973
1997	12370679918.680822
1998	11199733392.579428
1999	10414767448.648672
2000	9596334384.313745
2001	9601148535.433083
2002	9845313629.80394
2003	11948447222.352917
2004	12287267083.397715
2005	12733263937.743185
2006	14282436617.64704
2007	15419248419.215736
2008	15563534370.312496
2009	13536363404.296865
2010	15070747066.666697
2011	14293988492.217928
2012	13921970048.437504
2013	15708980167.843182
2014	15508918156.078377
2015	13200984372.656242
2016	13850678650.972797
2017	15473243074.117674
2018	15087874817.25489
2019	14889010980.392134
2020	14548151839.688757
2021	15619268534.88347
2022	15191279653.696558
2023	16956454615.686575