Year	current US$
1969	5850000.04805624
1970	7069999.87922609
1971	6529999.9546259595
1972	4209999.98599291
1973	7940000.11868775
1974	13489999.845624
1975	9220000.08076429
1976	9339999.97191131
1977	12369999.963790199
1978	14520000.1392514
1979	16089999.925345201
1980	5720000.02861023
1981	23689999.565482102
1982	22639999.6988475
1983	29129999.7959286
1984	24629999.5593727
1985	34069999.1434813
1986	28269999.7089803
1987	36510000.614449404
1988	32320000.7528067
1989	29250000.201165702
1990	29510000.2400577
1991	39549999.9895692
1992	39119999.6937066
1993	48820001.1253357
1994	43029999.896884
1995	76030001.5509129
1996	35880000.2001226
1997	73050001.045689
1998	44189999.4760752
1999	59959999.9189377
2000	63460001.0514259
2001	50500000.5103648
2002	58250000.3613532
2003	61349999.833852105
2004	52980000.4344434
2005	67710000.5913526
2006	53160000.2981722
2007	59590000.204742
2008	64520000.0070035
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