Year Dollars 2003-01-01 1038033 2005-01-01 498191 2006-01-01 546234 2007-01-01 3982088 2008-01-01 4927302 2009-01-01 2967931 2010-01-01 8025130 2011-01-01 5410526 2012-01-01 10455754 2013-01-01 9540155 2014-01-01 25724627 2015-01-01 16179263 2016-01-01 18142627