Year	current US$
1960	2901000000
1961	2929000000
1962	3123000000
1963	3393000000
1964	3856000000
1965	4377000000
1966	4582000000
1967	4701000000
1968	5126000000
1969	5909000000
1970	7007000000
1971	7067000000
1972	8110000000
1973	10907000000
1974	16683000000
1975	17450000000
1976	19628000000
1977	20137000000
1978	20589000000
1979	28735000000
1980	33438000000
1981	28840000000
1982	27585000000
1983	26098000000
1984	26426000000
1985	28548000000
1986	32693000000
1987	40706000000
1988	45627000000
1989	48975000000
1990	54264000000
1991	49990000000
1992	50017000000
1993	42713000000
1994	55458000000
1995	65036000000
1996	66930000000
1997	65596000000
1998	68403000000
1999	68580000000
2000	72880000000
2001	63200000000
2002	66955000000
2003	83540000000
2004	100433000000
2005	111697000000
2006	127547000000
2007	153226000000
2008	168503000000
2009	119876000000
2010	148946000000
2011	177026000000
2012	164436000000
2013	160609000000
2014	162211000000
2015	138398000000
2016	141021000000
2017	154215000000
2018	170605000000
2019	158971000000
2020	149985000000
2021	187108000000
2022	202171000000
2023	193016000000