Year	current US$
1970	60694776.4965515
1971	53859398.4643494
1972	70733453.0324629
1973	119684704.970887
1974	122885159.398941
1975	149169573.137503
1976	154365236.230778
1977	230093544.355419
1978	223601407.742665
1979	217899255.37887
1980	240564014.422715
1981	209753955.276068
1982	294206378.037013
1983	223221186.213222
1984	203086938.171892
1985	156689205.656005
1986	241629782.452593
1987	233753840.071557
1988	251521427.945035
1989	254826392.643176
1990	357746051.569863
1991	306168351.155555
1992	380889878.138793
1993	414434598.65954
1994	521402174.094611
1995	735646514.417643
1996	746461108.160249
1997	716581636.278775
1998	762760471.307784
1999	483676079.061968
2000	485090653.832283
2001	499240404.066638
2002	607818385.045604
2003	1060612193.19826
2004	961904488.10428
2005	1006110336.15298
2006	1023609897.37298
2007	1551693219.01965
2008	1885836288.06526
2009	1981852465.71258
2010	1859208223.65828
2011	2164352548.32365
2012	2568187135.51518
2013	2777666372.8504
2014	3104077791.80368
2015	3374316753.89214
2016	3582931466.99405
2017	3568992544.90479
2018	2563125498.47518
2019	2379294306.06566
2020	2660176337.11009
2021	2914483928.51617