Year Dollars 1992-01-01 1173864 1997-01-01 192172 2002-01-01 82321 2003-01-01 210516 2004-01-01 200491 2005-01-01 205789 2006-01-01 212624 2007-01-01 690038 2008-01-01 633634 2009-01-01 492820 2010-01-01 285632 2011-01-01 884804 2012-01-01 473991 2015-01-01 48485