Year Dollars 1997-01-01 129407 2002-01-01 180305 2003-01-01 405477 2004-01-01 237719 2005-01-01 1379655 2006-01-01 2901127 2007-01-01 2089294 2008-01-01 1828386 2009-01-01 1443322 2010-01-01 2235459 2011-01-01 4012681 2012-01-01 4658025 2013-01-01 5506175 2014-01-01 4159589 2015-01-01 1621949 2016-01-01 2929532