Year	current US$
1965	831599667.360133
1966	979999608.0001569
1967	1161999535.200186
1968	1234799506.0801976
1969	1282399487.0402052
1970	1499679400.12824
1971	1666114384.24254
1972	1903030560.9684176
1973	2202837759.464818
1974	2875309993.8257074
1975	3945426711.535279
1976	5000564320.575128
1977	6801225197.685699
1978	7611260375.273129
1979	9205546630.193295
1980	12036389971.031864
1981	13117994153.200495
1982	15679151196.02933
1983	13657372622.882767
1984	13780424370.57103
1985	15058404072.44483
1986	14272372545.983242
1987	14995675780.422949
1988	16485956298.449263
1989	18640542380.496902
1990	17600000000
1991	18632703179.031128
1992	18643148602.59032
1993	18992384105.960266
1994	18715487542.087543
1995	20349943708.786793
1996	22610542769.255436
1997	22185667333.665184
1998	23033836905.590042
1999	23780037120.378433
2000	23766104214.479446
2001	24397910539.255646
2002	28550510999.822315
2003	31472558152.020725
2004	34045469969.460464
2005	38672945205.479454
2006	43125206771.06308
2007	50949988389.0308
2008	61213489666.255005
2009	55080355126.2227
2010	53117334887.14512
2011	60280311183.09727
2012	67378615112.025604
2013	72335316249.92508
2014	76016193023.0842
2015	75329730232.8055
2016	77606847224.93439
2017	81725470248.88742
2018	86814421968.76366
2019	90673474939.97252