Year	current US$
1970	8530000.049620865
1971	9540000.043809416
1972	10760000.085458154
1973	10459999.965503812
1974	11630000.101402404
1975	13650000.08791685
1976	14970000.047236677
1977	19069999.888539318
1978	22319999.82148408
1979	19979999.79555607
1980	7079999.960958956
1981	26180000.141263004
1982	25000000.119209293
1983	34540000.27477741
1984	28069999.910891045
1985	40450000.10728837
1986	37369999.885559104
1987	46710000.09775161
1988	35900000.09536742
1989	45460000.15735628
1990	43249999.94039536
1991	53679999.88794326
1992	42600000.26226047
1993	67230000.22768976
1994	49120000.36239625
1995	100949999.27282332
1996	46349999.785423286
1997	69740000.18835066
1998	50460000.03814699
1999	77650000.81062317
2000	83990000.36716461
2001	59780000.15020369
2002	86000000.35762784
2003	91720000.20742418
2004	82469999.730587
2005	102679999.70912933
2006	62699999.8688698
2007	87640000.10490419
2008	27919999.97757376