Year	current US$
1969	11389999.9074638
1970	13610000.0012666
1971	12940000.1596659
1972	11150000.0394881
1973	15219999.8404831
1974	16460000.0604987
1975	18810000.162571702
1976	21090000.1395494
1977	27470000.077039
1978	32580000.1509488
1979	29949999.4497746
1980	10199999.9564141
1981	47129999.7866154
1982	46890000.782907
1983	59759999.781847
1984	52029999.896884
1985	72119999.4385242
1986	63470000.4160404
1987	74380000.6508827
1988	64209999.367594704
1989	74049999.8033047
1990	71479999.2740154
1991	85039999.7234344
1992	69260000.2884865
1993	103230001.00254999
1994	83970001.2207031
1995	158850000.38147002
1996	76600000.2026558
1997	112279999.494553
1998	81000001.013279
1999	127240001.022816
2000	148250000.715256
2001	103529999.16672699
2002	151660002.23159802
2003	160569998.74115
2004	142139998.435974
2005	175789999.365807
2006	94430000.2753735
2007	129769999.32527499
2008	156009997.194633
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0