Year	current US$
1960	4574744760.262343
1961	5104162457.159212
1962	5660328729.1474085
1963	6250056560.625194
1964	7064370861.173352
1965	7809037884.698002
1966	8529984820.195234
1967	9270614505.313242
1968	9466181082.320248
1969	9984495808.643494
1970	10841224967.138329
1971	11534652256.189157
1972	13741209684.192842
1973	16441531838.893595
1974	17937660945.17277
1975	21940645440.971054
1976	23951688973.57607
1977	25237917931.096035
1978	25701213013.168083
1979	30975116512.32768
1980	36357310856.81862
1981	31217466524.469727
1982	27337411740.36227
1983	25485748066.41364
1984	26938846563.021347
1985	29532707376.887226
1986	37224947217.69892
1987	47138442369.56659
1988	55652865093.354225
1989	64110155113.31027
1990	76079572548.48956
1991	71488919884.24968
1992	65245205535.90439
1993	41257676593.7765
1994	44529937791.60187
1995	52700292992.02332
1996	59027288994.92991
1997	53637244757.62617
1998	56516937319.966286
1999	58996296475.60031
2000	58506690532.84145
2001	54975167245.93623
2002	58847089995.994705
2003	72369316003.61105
2004	84271659704.17342
2005	87902209257.2025
2006	98281965791.11436
2007	118718411552.34657
2008	127078029463.97415
2009	98193707700.74995
2010	111510274737.19878
2011	131433018336.67604
2012	125543765641.87617
2013	131719486038.0878
2014	135181324003.01132
2015	119979501687.89001
2016	124842681657.98647
2017	135993089917.53584
2018	139861654974.9392
2019	130318724576.58452
2020	137395607041.53357
2021	163714811122.32056
2022	160209585023.30887
2023	158193636560.94452