Year	current US$
1975	419999.986886978
1976	740000.009536743
1977	1289999.96185303
1978	6449999.80926514
1979	5159999.84741211
1980	6989999.771118159
1981	10529999.7329712
1982	4039999.96185303
1983	14880000.1144409
1984	21370000.8392334
1985	25360000.6103516
1986	33259998.321533203
1987	25780000.6866455
1988	66800003.0517578
1989	89650001.5258789
1990	81400001.5258789
1991	103040000.915527
1992	89480003.3569336
1993	82889999.3896484
1994	101349998.47412099
1995	78959999.0844727
1996	62000000
1997	70800003.0517578
1998	84089996.3378906
1999	89050003.0517578
2000	78809997.55859381
2001	73620002.746582
2002	137759994.506836
2003	90169998.1689453
2004	151100006.10351598
2005	162570007.32421902
2006	174580001.831055
2007	235399993.89648402
2008	163679992.67578098
2009	204679992.67578098
2010	192330001.831055
2011	153250000
2012	169149993.89648402
2013	114830001.831055
2014	82550003.0517578
2015	71379997.253418
2016	-65639999.38964839
2017	88669998.1689453
2018	55979999.5422363
2019	54689998.626709
2020	181320007.32421902
2021	129509994.506836
2022	158369995.117188