Year	current US$
1960	5060000
1961	3160000
1962	8380000
1963	1690000
1964	653000
1965	6193000
1966	6183000
1967	2623000
1968	7407366.39793879
1969	5741698.4016317
1970	8884792.31531361
1971	10820119.7252882
1972	10338027.3794467
1973	7858034.17386184
1974	24101167.4811688
1975	13814488.4353576
1976	12168224.1096617
1977	13529974.4362124
1978	9429150.538258
1979	42232539.8625597
1980	85899025.6866554
1981	123368757.410641
1982	37014479.3938074
1983	7360154.94424001
1984	4113809.86281927
1985	3963395.0256717
1986	6818550.66956849
1987	3398090.58846964
1988	4704196.40363467
1989	6101382.30109299
1990	5908906.16103294
1991	4760410.68650789
1992	4006439.74928596
1993	1337792.13436368
1994	50361912.129834
1995	59302384.9476744
1996	90994489.5749266
1997	59920710.2700609
1998	841189.706981565
1999	39354178.9175994
2000	222005806.383169
2001	68914112.0583461
2002	31634416.391381
2003	34798834.5588261
2004	119598267.266244
2005	731829789.530678
2006	1840932419.89028
2007	2174293050.43452
2008	3871781212.41579
2009	3806250383.75173
2010	4446850565.67434
2011	5641136195.74763
2012	5549563315.43624
2013	5245011451.13999
2014	4926098059.12833
2015	2221497219.19564
2016	714352000.79598
2017	379984138.830498
2018	423617388.256644
2019	988316008.036768
2020	1140500574.79268
2021	828560334.612028
2022	835649476.998537
2023	715391052.357981