Year	current US$
1976	114900000
1977	147000000
1978	188800000
1979	244200000
1980	253800000
1981	271300000
1982	295300000
1983	264800000
1984	298900000
1985	352600000
1986	358100000
1987	489900000
1988	512200000
1989	471900000
1990	547462128.9004444
1991	595746400.7221441
1992	580911584.4658989
1993	584848750.0142024
1994	567394301.1529257
1995	623768893.716407
1996	714499454.318712
1997	770703033.497686
1998	933556889.140077
1999	989038203.847136
2000	1102090670.94777
2001	1030047741.68184
2002	1078969331.04037
2003	1453994178.69533
2004	1764266349.57123
2005	2414592579.17925
2006	2430186796.89543
2007	2880036249.00202
2008	2424156453.85042
2009	1951004054.6531115
2010	2165918352.0253253
2011	2575140000.0486794
2012	2726462359.222864
2013	2804020935.499877
2014	3088507041.161378
2015	2796753860.880871
2016	3178201755.161988
2017	3685382295.3871746
2018	3991693551.4165854
2019	3447929252.0917125
2020	2184085997.290973
2021	2881768738.6862454
2022	4129125943.428091
2023	4502381282.971465