Year	current US$
1960	397875437.5
1961	563656854.1666667
1962	549204104.1666667
1963	620050875
1964	760610875
1965	789516354.1666667
1966	814737854.1666667
1967	913639937.5
1968	868581375
1969	988170750
1970	1124763291.6666667
1971	938861375
1972	863537083.3333334
1973	958701323.7373089
1974	1294857682.6512678
1975	1575422622.8030646
1976	1784273649.8316498
1977	1194951861.667744
1978	2056130687.830688
1979	2459010308.804205
1980	3243617764.857881
1981	2858506731.9461446
1982	2877295409.181637
1983	2590824915.824916
1984	2538320000
1985	2860038461.5384617
1986	2577133333.3333335
1987	2842322580.645161
1988	3255865280.2607284
1989	3679751008.084175
1990	4126169961.9349566
1991	3785238095.238095
1992	3915198938.992042
1993	4677910052.910053
1994	4681795511.221945
1995	6580597014.925373
1996	7601784841.075795
1997	7625081967.213114
1998	8058876651.982379
1999	8525935940.0998335
2000	9060862651.560326
2001	10102557449.962934
2002	9060891520.11144
2003	9761830742.659758
2004	10229675556.310514
2005	13898043915.462091
2006	15621647050.587914
2007	18268522234.246902
2008	22874478207.076283
2009	23725728422.80718
2010	25105548783.10591
2011	35365482209.31081
2012	37259465796.88033
2013	40137513915.4611
2014	44128305097.791595
2015	48297463387.433014
2016	46183400595.40479
2017	50463186759.561035
2018	63757867791.99908
2019	64919190527.24167
2020	59195931884.279625
2021	71021045649.99213
2022	96157127851.07997
2023	77972815220.77475