Year Dollars 1992-01-01 359278 1997-01-01 582146 2002-01-01 229177 2003-01-01 525076 2004-01-01 1313127 2005-01-01 1181783 2006-01-01 1146742 2007-01-01 1736429 2008-01-01 4120457 2009-01-01 1107887 2010-01-01 623791 2011-01-01 1507013 2012-01-01 1588655 2013-01-01 373163 2014-01-01 585573 2015-01-01 225141 2016-01-01 1061772