Year	current US$
1960	1079100000
1961	964200000
1962	1216800000
1963	1364400000
1964	1409300000
1965	1492000000
1966	1592900000
1967	1464400000
1968	1365350000
1969	1610700000
1970	1772520000
1971	1739840000
1972	1940520000
1973	3267920000
1974	3930600000
1975	2960930000
1976	3915730000
1977	5651430000
1978	6401380000
1979	7809390000
1980	8024890000
1981	9139330000
1982	7622620000
1983	7835700000
1984	8107400000
1985	8396049999.999999
1986	6851890000
1987	6360070000
1988	9136550000
1989	9560656881
1990	12352010000
1991	11972706000
1992	12228056000
1993	13111665000
1994	16396134596
1995	20362982000
1996	24216992938
1997	25371852253
1998	26281771808
1999	22884322590
2000	26324380053
2001	26523609247
2002	25695357982
2003	29561288930
2004	33922907118.000004
2005	40280844890
2006	46533628917
2007	55960772788
2008	70013273020
2009	55647684007
2010	67420303652
2011	82107003162
2012	78580713840
2013	74292063198
2014	67418856619
2015	56672272433
2016	57909082176
2017	58644739467
2018	61665675987
2019	64467215005
2020	54635289001