Year	current US$
1961	1900000
1962	2200000
1963	2800000
1964	2600000
1965	2000000
1966	3400000
1967	4099999.9999999995
1968	4600000
1969	13400000
1970	6800000
1971	13300000
1972	20410000
1973	28030000
1974	37920000
1975	48170000
1976	50680000
1977	48730000
1978	54760000
1979	89850000
1980	110540000
1981	134710000
1982	144480000
1983	153290000
1984	177770000
1985	210880000
1986	312760000
1987	432730000
1988	607610000
1989	706370000
1990	846300000
1991	930100000
1992	643760000
1993	355120000
1994	290070000
1995	388320000
1996	408180000
1997	378880000
1998	396340000
1999	416490000
2000	370840000
2001	389000000
2002	462190000
2003	558490000
2004	679870000
2005	901940000
2006	834400000
2007	981340000
2008	1165730000
2009	1290180000
2010	1332950000
2011	1406040000
2012	1319710000
2013	1435360000
2014	1634570000
2015	1288000000
2016	1059609999.9999999
2017	1083790000
2018	984000000
2019	1149300000
2020	1277890000
2021	1497600000
2022	1615080000