Year	current US$
1970	37266386977.3999
1971	42901874038.9065
1972	58328399437.5247
1973	77626991140.5985
1974	83870132868.1633
1975	88389725495.6
1976	96266423935.7236
1977	118172232271.681
1978	163796634709.903
1979	173939511491.939
1980	186698203340.274
1981	214196427286.518
1982	202124127999.178
1983	224421671150.808
1984	238655711977.868
1985	255361740479.12
1986	384667672568.673
1987	477063881849.26
1988	579796887908.16
1989	599435375929.339
1990	624123915551.469
1991	739240730215.933
1992	840253568058.732
1993	992143386328.219
1994	1122919190196.22
1995	1222206983918.64
1996	1075794890585.95
1997	1005425201286.57
1998	944760066885.862
1999	1082589450375.42
2000	1150423837170.93
2001	1014189217366.42
2002	978576099597.504
2003	1048913385543.23
2004	1124439658638.12
2005	1115771261007.9
2006	1081085612870.47
2007	1088022012242.94
2008	1271350964130.91
2009	1375213877005.1
2010	1435292542817.57
2011	1549220861284.44
2012	1531227004141.97
2013	1263299025506.32
2014	1191151643221.15
2015	1058592518296.59
2016	1178350792549.68
2017	1159655656869.4
2018	1199006411625.04
2019	1233418145746.19
2020	1270270481241.02
2021	1292749980578.21