Year	current US$
1970	636406128929.1324
1971	717712245441.1262
1972	865596054098.1346
1973	1120622697158.6797
1974	1255893941763.024
1975	1455396856264.659
1976	1524883266815.8027
1977	1722433981937.756
1978	2103233717918.1956
1979	2538027407789.9634
1980	2819789951242.871
1981	2430090923688.4893
1982	2328636578384.8105
1983	2267542638771.4497
1984	2187349837333.1562
1985	2253169518610.446
1986	3175836667401.6294
1987	3938878979501.141
1988	4330856052514.9443
1989	4419016857081.611
1990	5516525977610.861
1991	5700228095192.404
1992	6255998619422.54
1993	5680730488357.084
1994	6023130901809.764
1995	6998694349671.02
1996	7120527384277.116
1997	6527856558611.315
1998	6726450193226.723
1999	6701283754333.167
2000	6129061574356.908
2001	6200808166563.663
2002	6739447581203.105
2003	8280917651406.768
2004	9557828823167.963
2005	9977084170787.316
2006	10673491345443.07
2007	12317270204146.926
2008	13499243815037.201
2009	12178960300649.908
2010	12040323573193.426
2011	13042968359482.625
2012	12092844098886.78
2013	12647088909292.322
2014	12953277029182.996
2015	11164241687290.305
2016	11478560395035.35
2017	12214404132542.383
2018	13246921196056.32
2019	12962727560113.006
2020	12475219352924.053
2021	14067200043122.158