Year	current US$
1965	484399806.2400775
1966	582399767.0400932
1967	694399722.2401111
1968	694399722.2401111
1969	800799679.6801281
1970	692999722.8001109
1971	724238833.1302056
1972	919595438.8066236
1973	1199034298.5851665
1974	1800437317.2869952
1975	3127241132.013019
1976	4275155872.1830997
1977	6141691617.288862
1978	6180627006.431488
1979	7131847260.51685
1980	9822528921.889626
1981	9641838692.899546
1982	11298630132.228363
1983	10300332101.67526
1984	9687160121.866365
1985	9166990520.460312
1986	8596155818.235
1987	8303936654.668901
1988	8884381551.738348
1989	10058581791.074242
1990	10701388541.666668
1991	13840763853.955233
1992	10766871506.475801
1993	10602648675.496689
1994	10518518518.518518
1995	11409022677.317322
1996	12340978394.10305
1997	12015862916.970222
1998	13256506844.820118
1999	11878521097.843405
2000	11370749008.971416
2001	12400466933.17508
2002	13961186388.254572
2003	16499335597.224274
2004	19246691550.729553
2005	22839041095.89041
2006	24543725187.47243
2007	32461455100.73395
2008	38206585623.521355
2009	31130878954.775265
2010	35034036154.03671
2011	39894339786.72291
2012	45739026063.100136
2013	46581496461.42834
2014	51284934655.10758
2015	51487109941.10061
2016	53091809344.76744
2017	56293171254.32669
2018	63047946389.5402
2019	61135845209.82441