Year current US$ 2006 9999.99977648258 2007 50000.0007450581 2008 180000.00715255702 2009 129999.995231628 2010 219999.998807907 2011 159999.99642372102 2012 159999.99642372102 2013 170000.00178813902 2014 250000 2015 255341.11261367798 2016 192235.216498375 2017 258989.95995521502