Year	current US$
1970	12130000.000819564
1971	12310000.032186514
1972	13219999.993219977
1973	13680000.020191072
1974	20479999.898001555
1975	15249999.88079071
1976	17899999.989196654
1977	22470000.138506293
1978	25170000.15266239
1979	26030000.105500218
1980	8409999.979659911
1981	32430000.17851592
1982	27619999.945163723
1983	43299999.702721834
1984	31009999.878704548
1985	53850000.1616776
1986	44390000.212937586
1987	62330000.14163555
1988	44829999.84920025
1989	65550000.61169267
1990	64099999.994039536
1991	83870000.31769274
1992	68939999.96036293
1993	100199999.63231386
1994	70720000.10311605
1995	162530000.71644786
1996	68770000.07033351
1997	103270000.11876222
1998	76020000.00886618
1999	108990000.35598874
2000	106450000.79274176
2001	106369999.51303004
2002	108230000.14573331
2003	121450000.65490602
2004	108220000.24840234
2005	136580000.38005412
2006	91270000.35345553
2007	115370000.17985705
2008	45829999.87155201