Year	current US$
1975	242949853.96762538
1976	282486775.1272582
1977	302530894.9571457
1978	377933177.5468603
1979	510366429.67235124
1980	619897578.6804554
1981	653706557.9475961
1982	657634365.8330433
1983	728682941.3811963
1984	769203997.4146075
1985	719733505.6928356
1986	713319743.4495103
1987	658579028.489037
1988	696315815.6416248
1989	823397802.4163477
1990	872719136.876647
1991	836821955.9488888
1992	676900000
1993	779893601.1534829
1994	821061005.3199424
1995	998458708.2981157
1996	1073683687.1675037
1997	1230845721.6725502
1998	1286033908.4174416
1999	1372743996.4202259
2000	1448450000
2001	1386450000
2002	1381950000
2003	1512750000
2004	1734650000
2005	2016750000
2006	2131850000
2007	2216150000
2008	2433500000
2009	2045250000
2010	2174250000
2011	2266450000
2012	2210000000
2013	2398150000
2014	2336350000
2015	2234372950
2016	2035109800
2017	2027176350
2018	2035800000
2019	2076309049.9999998
2020	1698647300
2021	1960357100
2022	2463487850