Year	current US$
1960	71100000
1961	77600000
1962	97900000
1963	103800000
1964	102900000
1965	134100000
1966	138500000
1967	151200000
1968	152849000
1969	165005000
1970	158529000
1971	171283000
1972	185381000
1973	227361000
1974	388789000
1975	553816000
1976	584350000
1977	579286000
1978	764247000
1979	848466000
1980	802081000
1981	905185000
1982	488806000
1983	530738000.00000006
1984	409044000
1985	683314000
1986	666569000
1987	757494000
1988	590592713
1989	619951005
1990	700289854
1991	993784545
1992	1131941713
1993	1177651590
1994	1200523730
1995	1449057781
1996	1657101409
1997	1934280450
1998	2461598200
1999	2107014650
2000	2022907558
2001	1709379750
2002	1831965554
2003	1692022635
2004	1886732882
2005	2343288307
2006	2923075303
2007	3587805644
2008	5099361019
2009	4577379815
2010	5603873914
2011	7935745581
2012	8590086246
2013	9699040578
2014	10674083674
2015	9843070745
2016	8563810791
2017	9373688708
2018	10001911874
2019	9784564225
2020	7079996510