Year	US Dollars adjusted for inflation)
1960	409000000
1961	427000000
1962	881000000
1963	1212000000
1964	1133000000
1965	727000000
1966	409000000
1967	106000000
1968	196000000
1969	607000000
1970	681000000
1971	1099000000
1972	1761000000
1973	1014000000
1974	1111000000
1975	1011000000
1976	711000000
1977	517000000
1978	689000000
1979	601000000
1980	475000000
1981	129000000
1982	247000000
1983	306000000
1984	273000000
1985	205000000
1986	198000000
1987	183000000
1988	179000000
1989	196000000
1990	153000000
1991	202000000
1992	184000000
1993	201000000
1994	195000000
1995	327000000
1996	280000000
1997	519000000
1998	56000000
1999	25000000
2000	271000000
2001	238000000
2002	240000000
2003	568000000
2004	450000000
2005	143000000
2006	384000000
2007	467000000
2008	159000000
2009	94000000
2010	102000000
2011	286000000
2012	191000000
2013	71000000
2014	126000000
2015	236000000
2016	750000000
2017	713000000
2018	287000000
2019	177000000
2020	201000000
2021	210000000
2022	236000000