Year	current US$
1975	189566259.9979253
1976	203566336.9976194
1977	190609569.273193
1978	233900443.45336998
1979	200936391.99999952
1980	185500000
1981	210100000
1982	162200000
1983	91300000
1984	109600000
1985	136500000
1986	165150000
1987	191900000
1988	204400000
1989	203600000
1990	225600000
1991	251452000
1992	328500000
1993	332000000
1994	319000000
1995	331000000
1996	332000000
1997	358404000
1998	532730000
1999	554900000
2000	513616076.87377703
2001	537949937.48172
2002	547670458.6832
2003	752619071.621184
2004	903953426.98265
2005	1140053962.76321
2006	1441868781.88611
2007	1812294716.08291
2008	2037539756.06112
2009	2366410000
2010	2444180000
2011	3125628551.80017
2012	3838434897.03815
2013	4357807097.12632
2014	3833416335.900984
2015	6489292858.734725
2016	7090643969.645013
2017	8478050000
2018	8960988860.331781
2019	10948402039.48321
2020	10244277103.14496
2021	10546068054.10245
2022	11553182224.443232