Year Dollars 1992-01-01 184041 1997-01-01 849529 2002-01-01 130184 2003-01-01 84457 2004-01-01 243155 2005-01-01 114450 2006-01-01 184820 2007-01-01 634273 2008-01-01 1379687 2009-01-01 1253302 2010-01-01 1367745 2011-01-01 452456 2012-01-01 1089826 2013-01-01 3428801 2014-01-01 2399418 2015-01-01 1425817 2016-01-01 1053164