Year Dollars 1992-01-01 163677 1997-01-01 213606 2002-01-01 85618 2003-01-01 1513796 2004-01-01 218118 2005-01-01 174919 2007-01-01 455578 2008-01-01 189913 2009-01-01 601556 2010-01-01 1423644 2011-01-01 387953 2012-01-01 511503 2013-01-01 237374 2014-01-01 184697 2015-01-01 425436 2016-01-01 465068