Year	current US$
1970	8790000.062435864
1971	9710000.045597555
1972	11080000.018700954
1973	11139999.965205789
1974	12690000.059083102
1975	13200000.088661907
1976	15840000.074356789
1977	20459999.904036526
1978	24369999.81105326
1979	22579999.819397923
1980	7819999.966770409
1981	28520000.085234646
1982	27650000.15497208
1983	38470000.26702881
1984	30789999.75323676
1985	45060000.12159347
1986	41869999.79615214
1987	51990000.0691414
1988	38620000.30279158
1989	49740000.18835069
1990	46349999.845027916
1991	56509999.87125395
1992	45180000.1859665
1993	70460000.30636787
1994	53490000.1883507
1995	107369999.76634979
1996	49379999.8164177
1997	73720000.26702881
1998	52350000.023841865
1999	81880001.00851059
2000	90080000.40054323
2001	62170000.10609626
2002	88700000.3457069
2003	95230000.31709671
2004	86259999.87125397
2005	104400000.4529953
2006	63540000.05126
2007	88189999.78899957
2008	30349999.82453883