Year	current US$
1960	216100000
1961	210400000
1962	222900000
1963	225300000
1964	281700000
1965	294800000
1966	321300000
1967	348400000
1968	383000000
1969	442112000
1970	525267000.00000006
1971	556407000
1972	610710000
1973	664473000
1974	935857000
1975	1123997000
1976	933315000
1977	862458000
1978	984195000
1979	1001974000
1980	1178062000
1981	1472577000
1982	1381082000
1983	1280902000
1984	1183312000
1985	1143555000
1986	969084000
1987	1234253000
1988	1449346000
1989	1826131000
1990	1866518839
1991	1797768012
1992	1854826119
1993	2203821977
1994	2185328563
1995	2891027519
1996	2927012999
1997	3069439443
1998	2991781835
1999	2952333136
2000	3307175351
2001	3402443337
2002	3566318035
2003	3672205652
2004	3952868462
2005	4991872069
2006	5747202054
2007	6367892875
2008	8397386290
2009	5090627280
2010	5223445284
2011	6359715593
2012	6297080050
2013	6128200015
2014	5781955780
2015	4997719666
2016	4621954273
2017	5537652229
2018	6125430826
2019	6352071424
2020	5581835994