Year	current US$
1960	21510000.2288818
1961	13600000.3814697
1962	24489999.7711182
1963	27149999.6185303
1964	16760000.2288818
1965	11789999.961853001
1966	10340000.1525879
1967	6469999.79019165
1968	10439999.5803833
1969	14760000.2288818
1970	11939999.5803833
1971	26659999.8474121
1972	29639999.3896484
1973	56270000.4577637
1974	46369998.9318848
1975	21649999.6185303
1976	27309999.4659424
1977	20549999.237060502
1978	104019996.64306599
1979	178039993.28613302
1980	152460006.71386698
1981	125379997.253418
1982	103930000.30517599
1983	113389999.38964799
1984	95410003.6621094
1985	154039993.28613302
1986	244139999.38964802
1987	172000000
1988	259549987.792969
1989	71410003.6621094
1990	61319999.6948242
1991	84519996.6430664
1992	72059997.55859381
1993	68610000.6103516
1994	133809997.558594
1995	114230003.35693401
1996	35189998.626709
1997	14829999.923706101
1998	16079999.923706101
1999	34180000.3051758
2000	51779998.779296905
2001	69860000.6103516
2002	49389999.3896484
2003	43080001.8310547
2004	26809999.4659424
2005	25489999.7711182
2006	30840000.1525879
2007	30520000.4577637
2008	42479999.5422363
2009	48279998.779296905
2010	46830001.8310547
2011	46509998.3215332
2012	92779998.7792969
2013	2528320068.35938
2014	213919998.168945
2015	351130004.88281304
2016	506820007.324219
2017	379070007.324219
2018	536900024.414063
2019	756929992.675781
2020	1093520019.53125
2021	404429992.675781
2022	320519989.013672