Year	current US$
1960	596250008.530915
1961	797079993.152991
1962	911209987.133741
1963	904349991.155788
1964	1009920000.7543
1965	1086740009.42707
1966	1164369995.7430398
1967	1282190018.35585
1968	1150010006.82078
1969	1125189997.7922401
1970	1168650008.3077698
1971	1348649994.73654
1972	1445550010.968
1973	1796899999.88116
1974	2592170020.28227
1975	3490079963.8629003
1976	3219530023.0085897
1977	3836599994.95745
1978	5195830028.35512
1979	6639359982.49054
1980	7700080015.89775
1981	7471929983.61588
1982	7841969985.00824
1983	7569539929.63769
1984	8361530043.363569
1985	9195549919.60526
1986	10988049966.692902
1987	12788939894.9146
1988	14475400047.0638
1989	15481409893.0359
1990	17806329971.3135
1991	17800090019.2261
1992	19221319944.6201
1993	17329789899.8261
1994	19181289783.477802
1995	18623320098.877
1996	16331480058.67
1997	14878690031.0516
1998	14452449968.338
1999	13213200071.3348
2000	13034100087.1658
2001	14274780022.6212
2002	18990880117.4164
2003	24869969913.4827
2004	26477860002.5177
2005	32821450145.721397
2006	41183319866.1804
2007	31270440063.4766
2008	36161819824.2188
2009	39122030275.344795
2010	44308979770.6604
2011	47309489727.0203
2012	46728480147.3618
2013	47675370066.6428
2014	46447720042.7055
2015	44765569948.196396
2016	44308920095.443695
2017	49555120092.8688
2018	50893810125.8278
2019	53079579521.1792
2020	66970390327.4536
2021	63212760002.1362
2022	59734899822.2351