Year	current US$
1970	92501812977.77777
1971	95742003494.94708
1972	125984836464.38908
1973	183412774255.73706
1974	199567267710.3216
1975	190605197098.93442
1976	208121403707.60657
1977	248168599322.1854
1978	349336234667.3687
1979	382252962220.49835
1980	397408847459.3015
1981	423508110701.3011
1982	380689964175.69366
1983	399819040493.5841
1984	421549958424.9913
1985	445605649131.07385
1986	660597745784.1749
1987	827349062310.9498
1988	1064041288566.5972
1989	1083968038131.5759
1990	1129453528325.0168
1991	1284544866736.3982
1992	1335018274585.4167
1993	1441310889244.2117
1994	1532256833627.179
1995	1715444250241.3362
1996	1576812089822.4016
1997	1397617506771.1704
1998	1212739285575.1448
1999	1307367075538.9492
2000	1411880425553.6326
2001	1214199256308.5818
2002	1083309407598.8132
2003	1159763140075.992
2004	1254507223202.98
2005	1258709541618.3535
2006	1200001203790.5645
2007	1180144114612.3044
2008	1321076437095.7678
2009	1195593464151.4758
2010	1300991827568.6768
2011	1467318291626.8752
2012	1505676328980.994
2013	1272726699036.5706
2014	1226029245917.1194
2015	1118582261576.9546
2016	1242693226688.5037
2017	1243302111090.8113
2018	1292568289119.4126
2019	1319915062677.5833
2020	1276349643448.2754
2021	1294856503402.3804
2022	1131679121071.9905