Year	current US$
1960	12240000
1961	7690000
1962	10300000
1963	11260000
1964	14893000
1965	13623000
1966	7373000
1967	983000
1968	-2246152.08320851
1969	-4810495.80882963
1970	2308557.60920868
1971	11224223.1798028
1972	10074968.8972227
1973	1470530.61296784
1974	15267029.2365702
1975	3058688.1089688
1976	23274483.268861
1977	18783396.1180086
1978	11790275.9367726
1979	11266750.9818403
1980	5052588.80348794
1981	7314716.04185283
1982	12405334.6341586
1983	27999468.4065928
1984	44162152.5457782
1985	33460313.6435259
1986	15909633.259573
1987	52107686.736045
1988	63082745.2003837
1989	111732931.941454
1990	127780629.902088
1991	119790667.937937
1992	80482289.075617
1993	38935584.8391506
1994	76014342.728426
1995	142515641.947414
1996	164479417.069332
1997	135822560.881655
1998	120087610.813496
1999	95018454.2512829
2000	110699274.477429
2001	122374629.773423
2002	218697142.161823
2003	187102879.111172
2004	221730347.300678
2005	225575218.164012
2006	625085078.717181
2007	955062334.474652
2008	1345469369.88943
2009	616701392.110048
2010	632405291.277491
2011	951097160.643999
2012	1155659286.59738
2013	1183031943.77765
2014	1075906114.58729
2015	368916823.816674
2016	8184292.08845216
2017	8575237.41520014
2018	147750165.909777
2019	310032032.850238
2020	390675163.109219
2021	211590754.917343