Year	current US$
1960	10013000000
1961	10882000000
1962	12240000000
1963	12952000000
1964	14635000000
1965	17536000000
1966	18155000000
1967	17537000000
1968	20296000000
1969	25107000000
1970	29951000000
1971	34395000000
1972	40378100000
1973	54904100000
1974	69598200000
1975	74916700000
1976	88137000000
1977	101416000000
1978	121800000000
1979	159827000000
1980	187991000000
1981	163886000000
1982	155363000000
1983	152924000000
1984	152991000000
1985	158472000000
1986	191049000000
1987	228316000000
1988	250537000000
1989	269629000000
1990	346415000000
1991	390090000000
1992	403875000000
1993	329773000000
1994	371560000000
1995	443751000000
1996	444520000000
1997	436484000000
1998	463281000000
1999	464286000000
2000	495470000000
2001	486080000000
2002	490487000000
2003	604727000000
2004	715860000000
2005	775619000000
2006	907448000000
2007	1055850000000
2008	1185760000000
2009	925804000000
2010	1054200000000
2011	1255000000000
2012	1155550000000
2013	1181130000000
2014	1207190000000
2015	1051130000000
2016	1055330000000
2017	1162910000000
2018	1284350000000
2019	1233980000000
2020	1170440000000