Year	current US$
1960	4159999.8474121103
1961	8229999.54223633
1962	11609999.6566772
1963	16459999.0844727
1964	32560001.373291
1965	33909999.8474121
1966	31709999.084472697
1967	30040000.915527303
1968	46930000.3051758
1969	27500000
1970	36770000.4577637
1971	31520000.4577637
1972	36169998.1689453
1973	29610000.6103516
1974	41389999.3896484
1975	62880001.0681152
1976	61659999.8474121
1977	78910003.6621094
1978	98209999.0844727
1979	141419998.168945
1980	141179992.67578098
1981	136639999.38964802
1982	120230003.35693401
1983	115489997.86377
1984	181320007.32421902
1985	112459999.084473
1986	194490005.493164
1987	275839996.33789104
1988	375600006.10351604
1989	417299987.792969
1990	500359985.35156304
1991	549570007.324219
1992	578039978.027344
1993	497339996.33789104
1994	471140014.64843804
1995	435140014.64843804
1996	492540008.544922
1997	344100006.10351604
1998	434679992.675781
1999	446779998.779297
2000	448149993.89648396
2001	411100006.10351604
2002	379739990.234375
2003	519570007.324219
2004	507420013.42773396
2005	573650024.414063
2006	722869995.117188
2007	665919982.910156
2008	872289978.027344
2009	691989990.234375
2010	1016849975.58594
2011	798280029.296875
2012	1170910034.17969
2013	1132550048.82813
2014	931159973.144531
2015	1049800048.82813
2016	1241609985.35156
2017	1520219970.70313
2018	1279300048.82813
2019	1167609985.35156
2020	1454329956.05469
2021	1178160034.17969
2022	1345239990.23438
