Year	current US$
1984	19999.9995529652
1985	59999.9986588955
1986	50000.0007450581
1987	200000.00298023198
1988	90000.0035762787
1989	50000.0007450581
1990	189999.99761581398
1991	219999.998807907
1992	119999.997317791
1993	119999.997317791
1994	79999.9982118607
1995	140000.000596046
1996	189999.99761581398
1997	330000.013113022
1998	140000.000596046
1999	159999.99642372102
2000	340000.00357627904
2001	310000.002384186
2002	119999.997317791
2003	59999.9986588955
2005	19999.9995529652
2006	140000.000596046
2007	230000.004172325
2008	370000.00476837205