Year Dollars 1992-01-01 430002 1997-01-01 2208062 2003-01-01 1760846 2005-01-01 2222613 2006-01-01 537399 2007-01-01 1154869 2008-01-01 1611068 2009-01-01 819147 2010-01-01 117661 2011-01-01 193179 2012-01-01 321041 2013-01-01 288088 2014-01-01 122401 2015-01-01 162254 2016-01-01 252271