Year Dollars 2002-01-01 114620 2003-01-01 235173 2004-01-01 334600 2006-01-01 164691 2008-01-01 459568 2009-01-01 822838 2010-01-01 398453 2011-01-01 235292 2013-01-01 1194103 2015-01-01 811184 2016-01-01 458852