Year	current US$
1970	7658100892.71078
1971	8188289386.83539
1972	8872578245.09627
1973	9586774637.21327
1974	8564250783.41654
1975	10522555723.3404
1976	11674678237.0067
1977	12172510426.0733
1978	11971680934.2952
1979	12132719663.2323
1980	13725705589.2008
1981	14747321773.7593
1982	19950422494.7809
1983	22657013152.7819
1984	24640408775.6167
1985	27839499550.1148
1986	32586428773.3195
1987	33740313284.1468
1988	29404622914.8298
1989	32232274159.6804
1990	32986181277.0976
1991	31472799050.6819
1992	35330998669.1868
1993	39827239621.8187
1994	45203527434.4804
1995	52533598170.7803
1996	58694428411.9214
1997	69826801562.813
1998	77697322935.0191
1999	80831061581.4319
2000	88632135767.9627
2001	88500829152.4428
2002	76354547995.0601
2003	70659017728.2982
2004	67694125622.9843
2005	75030969003.1423
2006	90537385118.2915
2007	111344613516.694
2008	135814751811.37
2009	164828322646.16
2010	186367080016.029
2011	195692139146.404
2012	237673116776.039
2013	246311303316.675
2014	263721151884.302
2015	297126609667.339
2016	300575981991.145
2017	207377531549.02
2018	215994279357.509
2019	261565839501.626
2020	324108721655.009
2021	353377027800.611