Year	current US$
1970	599999.9996274707
1971	439999.9883025877
1972	459999.9915808431
1973	470000.0006705518
1974	1010000.0184029337
1975	540000.0084191555
1976	650000.0096857543
1977	809999.9986588941
1978	989999.9890476452
1979	1239999.9946355817
1980	819999.9928474423
1981	2099999.984726309
1982	2329999.990761279
1983	2970000.0025331946
1984	2539999.9842047687
1985	2999999.973922967
1986	2999999.9888241296
1987	4120000.0289827585
1988	3219999.9839067445
1989	4090000.0445544724
1990	3669999.998062847
1991	4909999.988973141
1992	4299999.950453637
1993	5269999.992102381
1994	4590000.003576278
1995	8550000.093877312
1996	5010000.020265579
1997	5329999.9982118625
1998	4990000.024437901
1999	6829999.983310698
2000	6820000.007748605
2001	6359999.999403952
2002	5569999.963045124
2003	5370000.053197147
2004	3710000.0288337455
2005	5209999.995306132
2006	2400000.024586915
2007	3620000.0196695323
2008	2900000.0283122067