Year	current US$
1970	8840000.04827976
1971	10930000.018328428
1972	13530000.07942319
1973	14190000.060945746
1974	15439999.92869794
1975	17810000.13835728
1976	20400000.08232891
1977	25479999.92035329
1978	30889999.948441964
1979	27669999.83973801
1980	8669999.990612265
1981	36649999.97802079
1982	33690000.11309982
1983	48710000.28401613
1984	37679999.617859714
1985	59129999.74563716
1986	47250000.03166499
1987	63990000.13619663
1988	44050000.34719704
1989	63150000.508874655
1990	55300000.02123415
1991	71790000.10900198
1992	53840000.56609513
1993	87880000.21129847
1994	62930000.08910896
1995	141269999.62329862
1996	58639999.91118908
1997	91610000.01430511
1998	59770000.07964671
1999	97070001.27248468
2000	106500000.67427756
2001	78190000.05349514
2002	107329999.97213478
2003	117150000.19967557
2004	107849999.9009073
2005	133819999.78423117
2006	80130000.32305717
2007	108059999.94277954
2008	31629999.885335587