Year	current US$
1969	259999.990463257
1970	319999.99284744303
1971	230000.004172325
1972	310000.002384186
1973	189999.99761581398
1974	129999.995231628
1975	140000.000596046
1976	239999.994635582
1977	600000.023841858
1978	600000.023841858
1979	439999.997615814
1980	280000.001192093
1981	899999.976158142
1982	1120000.00476837
1983	1379999.99523163
1984	1309999.9427795399
1985	1720000.02861023
1986	1750000
1987	2400000.09536743
1988	1789999.96185303
1989	1889999.98569489
1990	1460000.03814697
1991	1919999.95708466
1992	1710000.03814697
1993	2380000.1144409203
1994	1850000.02384186
1995	3579999.92370605
1996	1470000.02861023
1997	2470000.02861023
1998	1840000.0333786
1999	2660000.08583069
2000	2829999.92370605
2001	2079999.9237060498
2002	2420000.07629395
2003	2400000.09536743
2004	2950000.04768372
2005	3170000.07629395
2006	2200000.04768372
2007	2599999.90463257
2008	1629999.99523163