Year	current US$
1960	35300000
1961	55900000
1962	65000000
1963	37800000
1964	49200000
1965	69600000
1966	93900000
1967	113490000
1968	123340000
1969	143100000
1970	196380000
1971	216150000
1972	306700000
1973	322140000
1974	436040000
1975	608310000
1976	728420000
1977	907560000
1978	1073540000
1979	1472490000
1980	1630420000
1981	1509970000
1982	1471840000
1983	1195300000
1984	1267840000
1985	1135920000
1986	1740390000
1987	2094260000.0000002
1988	2231100000
1989	2093590000.0000002
1990	2538070000
1991	2516710000
1992	2752810000
1993	2525400000
1994	2516740000
1995	3226080000
1996	3246320000
1997	2946730000
1998	3041580000
1999	3134040000
2000	3134780000
2001	3172490000
2002	3338010000
2003	3972170000
2004	4203819999.9999995
2005	5114690000
2006	5451720000
2007	6224260000
2008	6992600000
2009	6426080000
2010	6357310000
2011	6343960000
2012	5522840000
2013	5435450000
2014	5572970000
2015	5725510000
2016	4966260000
2017	4958450000
2018	5616570000
2019	5256340000
2020	5329970000
2021	5265880000
2022	6450170000