Year Dollars 1992-01-01 1386841 1997-01-01 435214 2002-01-01 306826 2003-01-01 498746 2004-01-01 1020121 2005-01-01 674697 2006-01-01 791022 2007-01-01 710430 2008-01-01 1185864 2009-01-01 1320012 2010-01-01 756323 2011-01-01 310239