Year Dollars 1992-01-01 304872 1997-01-01 150627 2002-01-01 287101 2004-01-01 669038 2005-01-01 1458309 2006-01-01 228862 2007-01-01 214701 2009-01-01 308227 2010-01-01 314110 2011-01-01 575734 2012-01-01 484603 2013-01-01 616973 2014-01-01 460684 2015-01-01 230886 2016-01-01 77942