Year	current US$
1970	270010715.0216361
1971	284919118.4224402
1972	319221084.60846084
1973	368088813.87498546
1974	411790177.079853
1975	526983822.38089925
1976	575042916.2879936
1977	675604655.8910236
1978	842223905.5363706
1979	1041318682.6347306
1980	1347909893.1145911
1981	1361200488.454707
1982	1373834687.5
1983	1263110890.4993546
1984	1210693640.0037246
1985	1209121065.1537335
1986	1513987546.427791
1987	1849328280.3180916
1988	2114205657.194758
1989	2232004927.3220005
1990	2738345670.6740513
1991	2919788844.621514
1992	3166473280.38767
1993	2811899606.962381
1994	3055459161.649438
1995	3776189202.3346305
1996	3853662458.3134828
1997	3826595484.373262
1998	3969862968.283788
1999	4177153465.3465347
2000	3916552784.8187637
2001	4113241119.5700555
2002	4504004983.829305
2003	5426514483.369523
2004	6074239606.712842
2005	6220547613.614811
2006	6502959080.669251
2007	7531092784.591022
2008	8950142226.209053
2009	8238328799.746582
2010	8570871689.230514
2011	9412938982.83029
2012	9015838746.775528
2013	10027490996.865482
2014	11020707025.949718
2015	10478459358.128439
2016	10525743981.14229
2017	12136103803.622885
2018	13968288596.227205
2019	14544926847.051191
2020	13668430481.156612
2021	16286993219.71297
2022	16529039681.724976
2023	19088393909.70633