Year	current US$
1965	82510002.1362305
1966	85550003.0517578
1967	98209999.0844727
1968	110209999.084473
1969	118180000.30517599
1970	146220001.220703
1971	139889999.38964802
1972	189229995.727539
1973	192639999.38964802
1974	254149993.89648402
1975	294220001.220703
1976	223460006.71386698
1977	239869995.117188
1978	266880004.882813
1979	260250000
1980	276010009.765625
1981	285339996.33789104
1982	263450012.207031
1983	264200012.207031
1984	275160003.66210896
1985	226850006.10351598
1986	222320007.32421902
1987	217179992.67578098
1988	240860000.61035198
1989	253990005.493164
1990	262239990.234375
1991	262320007.324219
1992	242809997.55859402
1993	221809997.55859402
1994	234589996.33789098
1995	238630004.882813
1996	243589996.33789098
1997	228300003.05175802
1998	250979995.727539
1999	155460006.71386698
2000	198210006.71386698
2001	158220001.220703
2002	180389999.38964802
2003	208880004.882813
2004	242309997.55859402
2005	233710006.71386698
2006	242169998.168945
2007	281350006.10351604
2008	321299987.792969
2009	301850006.10351604
2010	386940002.441406
2011	510899993.89648396
2012	498570007.324219
2013	474250000
2014	418309997.558594
2015	416450012.207031
2016	338529998.779297
2017	381459991.455078
2018	418600006.10351604
2019	415170013.42773396
2020	363519989.013672
2021	586229980.46875
2022	489720001.220703