Year	current US$
1988	19999.9995529652
1989	100000.00149011599
1990	19999.9995529652
1991	50000.0007450581
1995	39999.9991059303
1997	59999.9986588955
1999	59999.9986588955
2000	79999.9982118607
2001	200000.00298023198
2002	100000.00149011599
2003	70000.0002980232
2004	170000.00178813902
2005	579999.983310699
2006	500000
2007	699999.988079071
2008	319999.99284744303
2009	400000.00596046395
2010	50000.0007450581
2011	59999.9986588955
2018	0
2020	70000.0002980232
2021	29999.999329447703