Year	current US$
1960	16834381.551362682
1961	17219077.568134174
1962	18950733.752620544
1963	32513626.83438155
1964	51560796.64570231
1965	54318913.62172757
1966	68738625.22749546
1967	94918101.63796724
1968	109757804.84390314
1969	121517569.64860705
1970	64398712.02575949
1971	64398712.02575949
1972	64398712.02575949
1973	64399613.602318384
1974	65583119.47533505
1975	51111111.11111111
1976	46000000
1977	27058823.529411763
1978	20000000
1979	11500000
1980	4600000
1981	2300000
1982	141500000
1983	175666666.66666666
1984	333879045.11569786
1985	291340894.31544197
1986	243090612.11238042
1987	220966775.96244234
1988	279681651.6666666
1989	223929957.06782788
1990	250608415.61506876
1991	216901772.03874066
1992	163082249.0399942
1993	203399384.8329009
1994	300017520.5422009
1995	477261290.6786475
1996	549653344.8128102
1997	577007663.8600185
1998	597963297.6051459
1999	572532309.1131806
2000	395279936.1807679
2001	362195317.5298178
2002	364849288.4544909
2003	414806273.2212077
2004	431375598.9101536
2005	563842594.8172425
2006	606552314.6904303
2007	680643011.4569119
2008	859407644.6815809
2009	1393341122.4158921
2010	1360232920.7048197
2011	1487567125.3735611
2012	1798095117.9396632
2013	1797947756.7881167
2014	2119553770.2920327
2015	2296901260.2387853
2016	1968582593.6158664
2017	2161850066.139266
2018	2362448828.0152407
2019	2628468822.7065277
2020	2535181367.0596747
2021	2902892884.523397
2022	3449290457.811867
2023	3891667582.6350627