Year	current US$
1960	8619999.88555908
1961	10729999.5422363
1962	9039999.96185303
1963	16219999.3133545
1964	19489999.7711182
1965	17879999.1607666
1966	15399999.6185303
1967	14189999.5803833
1968	10899999.6185303
1969	10840000.1525879
1970	23319999.6948242
1971	22829999.9237061
1972	28909999.8474121
1973	32340000.152587898
1974	28670000.0762939
1975	39919998.1689453
1976	43009998.3215332
1977	71110000.6103516
1978	70269996.6430664
1979	126959999.084473
1980	150770004.272461
1981	163919998.168945
1982	177229995.727539
1983	174809997.55859402
1984	157380004.882813
1985	188360000.61035198
1986	260250000
1987	322529998.779297
1988	366660003.66210896
1989	415179992.675781
1990	357179992.675781
1991	374029998.779297
1992	388529998.779297
1993	299380004.88281304
1994	384160003.66210896
1995	380630004.88281304
1996	331339996.33789104
1997	315339996.33789104
1998	307730010.986328
1999	292230010.986328
2000	311239990.234375
2001	347820007.324219
2002	334500000
2003	452880004.88281304
2004	429660003.66210896
2005	407230010.986328
2006	452510009.765625
2007	500940002.441406
2008	551359985.351563
2009	592890014.648438
2010	767349975.585938
2011	749320007.324219
2012	769679992.675781
2013	873330017.089844
2014	883820007.324219
2015	1224439941.40625
2016	1064500000
2017	1269650024.41406
2018	1452359985.35156
2019	1332680053.71094
2020	1759150024.41406
2021	1598489990.23438
2022	1208219970.70313