Year	current US$
1960	86000000
1961	70500000
1962	63400000
1963	75770000
1964	76460000
1965	95980000
1966	59640000
1967	62820000
1968	60560000
1969	65530000
1970	72570000
1971	80840000
1972	102180000
1973	121290000
1974	143290000
1975	168170000
1976	151190000
1977	172690000
1978	210950000
1979	269400000
1980	276640000
1981	219340000
1982	184090000
1983	150960000
1984	139450000
1985	177600000
1986	233290000
1987	229940000
1988	233830000
1989	179850000
1990	269780000
1991	167480000
1992	215160000
1993	173830000
1994	171930000
1995	154100000
1996	163000000
1997	167780000
1998	191890000
1999	129860000.00000001
2000	153450000
2001	187410000
2002	252130000
2003	959220000
2004	457250000
2005	349450000
2006	478960000
2007	492340000
2008	540800000
2009	613740000
2010	1083550000
2011	723250000
2012	444220000
2013	495830000
2014	474250000
2015	377360000
2016	398100000
2017	401650000
2018	421810000
2019	382460000
2020	415760000
2021	476880000
2022	410900000