Year	current US$
1969	1930000.0667571998
1970	1990000.0095367401
1971	2659999.84741211
1972	2650000.09536743
1973	4920000.07629395
1974	5440000.05722046
1975	22000000
1976	30550001.144409202
1977	42080001.8310547
1978	64970001.220703095
1979	149869995.117188
1980	298729980.46875
1981	264630004.882813
1982	223630004.882813
1983	206479995.727539
1984	229039993.28613302
1985	197490005.493164
1986	203539993.28613302
1987	210970001.220703
1988	214600006.10351598
1989	228750000
1990	223539993.28613302
1991	387929992.675781
1992	735699951.171875
1993	917190002.441406
1994	546350036.621094
1995	415929992.675781
1996	195330001.831055
1997	187460006.71386698
1998	160449996.94824198
1999	178020004.272461
2000	308769989.013672
2001	331339996.33789104
2002	335869995.11718804
2003	283459991.455078
2004	209900009.15527302
2005	88029998.7792969
2006	53470001.220703095
2007	89769996.6430664
2008	109819999.69482401
2009	98000000
2010	110680000.30517599
2011	131320007.324219
2012	125180503.845215
2013	84176383.972168
2014	20024599.0753174
2015	134725234.98535198
2016	167453689.575195
2017	190808105.46875
2018	152639633.178711
2019	136923324.584961
2020	150153686.523438
2021	241688690.185547
2022	154807900.63738823