Year	current US$
1999	39999.9991059303
2003	19999.9995529652
2004	29999.999329447703
2005	39999.9991059303
2006	9999.99977648258
2007	29999.999329447703
2008	29999.999329447703
2009	59999.9986588955
2010	9999.99977648258
2011	19999.9995529652
2013	29999.999329447703