Year Dollars 1997-01-01 1432469 2002-01-01 1283487 2003-01-01 1444276 2004-01-01 1361121 2005-01-01 636418 2006-01-01 887635 2007-01-01 773217 2008-01-01 1672650 2009-01-01 1625636 2010-01-01 1679867 2011-01-01 4780626 2012-01-01 1916118 2013-01-01 2315109 2014-01-01 3650096 2015-01-01 1758074 2016-01-01 1224187