Year Dollars 1992-01-01 631161 1997-01-01 298970 2002-01-01 560893 2003-01-01 549041 2004-01-01 91937 2006-01-01 724121 2007-01-01 377633 2008-01-01 1299361 2009-01-01 271702 2011-01-01 551956 2012-01-01 88670 2013-01-01 265938 2014-01-01 200030 2015-01-01 397430 2016-01-01 1890128