Year current US$ 1996 19999.9995529652 1997 250000 1998 189999.99761581398 1999 150000.005960464 2000 150000.005960464 2001 140000.000596046 2002 29999.999329447703 2003 230000.004172325 2004 660000.026226044 2005 100000.00149011599 2006 259999.990463257 2007 490000.009536743 2008 90000.0035762787 2009 150000.005960464 2010 19999.9995529652 2011 29999.999329447703 2012 19999.9995529652 2013 9999.99977648258 2014 9999.99977648258 2015 9999.99977648258 2022 39999.9991059303