Year	current US$
1960	159999.99642372102
1961	2529999.97138977
1962	10189999.5803833
1963	23299999.237060502
1964	14140000.3433228
1965	24020000.4577637
1966	14390000.3433228
1967	8000000
1968	6099999.90463257
1969	13430000.3051758
1970	10250000
1971	9550000.19073486
1972	4789999.96185303
1973	11220000.2670288
1974	19809999.4659424
1975	24370000.8392334
1976	10409999.8474121
1977	22600000.3814697
1978	59299999.237060495
1979	55560001.373291
1980	88669998.1689453
1981	106510002.13623
1982	115489997.86377
1983	66480003.356933594
1984	120220001.22070299
1985	112919998.168945
1986	168270004.272461
1987	220809997.55859402
1988	254960006.71386698
1989	363160003.66210896
1990	291579986.57226604
1991	377519989.013672
1992	447279998.779297
1993	410279998.779297
1994	358230010.986328
1995	415920013.42773396
1996	298059997.558594
1997	381390014.64843804
1998	359570007.324219
1999	237830001.831055
2000	153410003.66210902
2001	289250000
2002	254190002.44140598
2003	250630004.882813
2004	274809997.558594
2005	192910003.66210902
2006	173119995.117188
2007	206080001.831055
2008	317890014.64843804
2009	242970001.220703
2010	220970001.220703
2011	202119995.117188
2012	633179992.675781
2013	467420013.42773396
2014	563119995.117188
2015	539400024.414063
2016	566979980.46875
2017	472239990.234375
2018	653989990.234375
2019	562080017.089844
2020	725789978.027344
2021	592090026.855469
2022	499630004.88281304