Year	current US$
1960	58900000
1961	70700000
1962	73800000
1963	95900000
1964	100000000
1965	118560000
1966	132090000
1967	160480000
1968	159650000
1969	187630000
1970	211720000
1971	215800000
1972	279490000
1973	301600000
1974	432740000
1975	551680000
1976	377310000
1977	399740000
1978	587520000
1979	628680000
1980	667370000
1981	649530000
1982	882440000
1983	753380000
1984	776810000
1985	748720000
1986	752440000
1987	627390000
1988	1100980000
1989	1019570000
1990	955180000
1991	1049800000
1992	1014930000
1993	953460000
1994	1091360000
1995	1194340000
1996	1074380000
1997	1060710000
1998	960370000
1999	981900000
2000	987140000
2001	872780000
2002	988740000
2003	1218600000
2004	1460130000
2005	1680160000
2006	2123219999.9999998
2007	2668520000
2008	2954070000
2009	2761610000
2010	3826100000
2011	4982910000
2012	5402700000
2013	4845550000
2014	4382420000
2015	3493610000
2016	3277520000
2017	3035960000
2018	3149000000
2019	2888430000
2020	2868760000
2021	3546440000
2022	3078790000