Year	current US$
1969	6560000.00424683
1970	7129999.97101724
1971	6909999.99456108
1972	7510000.00908971
1973	7690000.03673136
1974	13099999.9362975
1975	9659999.91260469
1976	9640000.00804663
1977	12560000.0731647
1978	14010000.102222
1979	15280000.0887364
1980	5779999.98629093
1981	19550000.147894
1982	18879999.9319017
1983	25779999.7963011
1984	21549999.9821186
1985	31680000.122636598
1986	28150000.2834946
1987	37860000.092536196
1988	28160000.0653416
1989	37890000.3544986
1990	38740000.3578514
1991	48980000.2332777
1992	43070000.1623482
1993	61649999.7731298
1994	44130000.177770905
1995	98319999.8810887
1996	44640000.1719594
1997	64200000.1817942
1998	51210000.0008941
1999	71020000.0945479
2000	70190000.4632771
2001	62919999.7894466
2002	65369999.9712408
2003	74060000.3525615
2004	69030000.1334399
2005	86079999.9833107
2006	61490000.128745995
2007	70829999.2717803
2008	30789999.9488145
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