Year current US$ 2005 79999.9982118607 2006 109999.999403954 2007 230000.004172325 2008 460000.00834465 2009 209999.993443489 2010 129999.995231628 2011 100000.00149011599 2012 50000.0007450581 2013 39999.9991059303 2014 19999.9995529652 2015 9999.99977648258