Year	current US$
1960	580350000.8545817
1961	758090000.439435
1962	885229991.2236631
1963	876749988.9340253
1964	953149999.5589249
1965	1041210003.9534271
1966	1007250000.1043078
1967	1235550011.5882602
1968	1003590001.5719234
1969	971210001.146421
1970	988909996.6883665
1971	1148410002.8276439
1972	1197839998.474345
1973	1491119999.075307
1974	1882819998.754188
1975	2360590008.802711
1976	2239030004.7956424
1977	2522239999.04655
1978	3474210006.1662493
1979	4536270011.093468
1980	5234590005.99571
1981	5274529991.71987
1982	5353349980.905651
1983	5202569989.832117
1984	5631139989.139513
1985	6500919987.44756
1986	7983739995.732899
1987	9168750005.379318
1988	11075729999.331755
1989	11423679965.781061
1990	13077130016.518753
1991	12785020014.520735
1992	14084599939.40779
1993	12396519990.719852
1994	13329239962.782715
1995	12383519979.05783
1996	11990970011.616127
1997	11013160018.356514
1998	10744599994.435915
1999	9875299974.00753
2000	9667900011.461222
2001	9963740015.156563
2002	13364169968.012722
2003	19908280005.81449
2004	19888759946.96469
2005	26005909899.98729
2006	32893940002.577374
2007	26362470023.49421
2008	29421190053.2674
2009	30365180100.724113
2010	31585909978.289154
2011	34738320120.73694
2012	33266760053.558285
2013	32602459885.62518
2014	32453810030.60006
2015	29598019949.469727
2016	30129969984.6767
2017	32799680077.64225
2018	34012350002.74706
2019	32852670006.070286
2020	37312860039.42416
2021	38901750085.169426
2022	28512270071.949818