Year	current US$
1969	540000.021457672
1970	600000.023841858
1971	660000.026226044
1972	639999.985694885
1973	680000.007152557
1974	829999.983310699
1975	800000.011920929
1976	720000.028610229
1977	740000.009536743
1978	600000.023841858
1979	660000.026226044
1980	239999.994635582
1981	720000.028610229
1982	639999.985694885
1983	910000.026226044
1984	779999.971389771
1985	1259999.9904632599
1986	1200000.04768372
1987	1350000.02384186
1988	1210000.03814697
1989	1360000.01430511
1990	1460000.03814697
1991	1620000.00476837
1992	930000.007152557
1993	1639999.98569489
1994	1159999.9666214
1995	2410000.08583069
1996	1190000.0572204601
1997	1559999.9427795399
1998	930000.007152557
1999	1440000.0572204601
2000	1269999.98092651
2001	1190000.0572204601
2002	990000.009536743
2003	1220000.02861023
2004	1100000.02384186
2005	1580000.04291534
2006	1039999.96185303
2007	1519999.98092651
2008	600000.023841858