Year	current US$
1960	17180000.3051758
1961	34669998.1689453
1962	16930000.3051758
1963	36669998.1689453
1964	46169998.1689453
1965	53930000.3051758
1966	50840000.1525879
1967	41080001.8310547
1968	29239999.7711182
1969	27250000
1970	27610000.6103516
1971	44439998.626709
1972	55180000.3051758
1973	55720001.220703095
1974	48909999.8474121
1975	66980003.356933594
1976	70199996.9482422
1977	82720001.2207031
1978	74500000
1979	99209999.0844727
1980	28600000.3814697
1981	22950000.762939498
1982	9739999.77111816
1983	13479999.5422363
1984	6710000.03814697
1985	16319999.6948242
1986	2650000.09536743
1987	46520000.4577637
1988	73500000
1989	149320007.32421902
1990	122720001.22070299
1991	508540008.544922
1992	204800003.05175802
1993	223800003.05175802
1994	226419998.168945
1995	212529998.779297
1996	169630004.882813
1997	230750000
1998	164199996.94824198
1999	142860000.61035198
2000	136009994.506836
2001	410359985.35156304
2002	1223290039.0625
2003	1538229980.46875
2004	2268530029.29688
2005	2815100097.65625
2006	2895830078.125
2007	4540379882.8125
2008	4645399902.34375
2009	5766540039.0625
2010	6235319824.21875
2011	6745740234.375
2012	6666770019.53125
2013	5152540039.0625
2014	4942970214.84375
2015	4274229980.46875
2016	4069409912.10938
2017	3811739990.23438
2018	3792489990.23438
2019	4136990234.375
2020	4208899902.34375
2021	4690520019.53125
2022	3893270019.53125