Year	current US$
1960	69200000
1961	76100000
1962	74200000
1963	89900000
1964	96950000
1965	95840000
1966	87640000
1967	85040000
1968	120240000
1969	117940000
1970	139190000
1971	179050366.46029
1972	159691449.983705
1973	127444737.327637
1974	190393158.34063
1975	125575299.1091
1976	32394610.264659
1977	47782537.3127915
1978	58823497.2326318
1979	63813759.5348682
1980	105000000
1981	85173841.2878854
1982	108969025.850517
1983	63200000
1984	96929406.287093
1985	161300000
1986	98415886.878769
1987	174304474.457007
1988	147200000
1989	107500000
1990	168155250.316541
1991	106057217.239554
1992	324147546.303299
1993	417049933.96549
1994	735930634.902329
1995	681258961.125447
1996	879966322.803667
1997	682126514.938906
1998	709452691.086502
1999	554524512.106243
2000	1053690047.86883
2001	1900541274.65785
2002	1645099135.07986
2003	1194860262.03599
2004	1846479130.37806
2005	2169806025.78395
2006	2318429013.89466
2007	1878513938.68574
2008	1772712407.05834
2009	2075840757.89433
2010	2501094875.87813
2011	2281909630.03741
2012	1996447947.35127
2013	1818363782.17835
2014	2473010904.82091
2015	2913835195.89151
2016	3291468022.15921
2017	3781167558.10295
2018	3532039680.05605
2019	3631089258.40452
2020	3938028780.65402
2021	4837564537.17809
2022	4520481084.67503
2023	4868643492.7225