Year Dollars 1992-01-01 4493608 1997-01-01 4480813 2002-01-01 2596006 2003-01-01 1670685 2004-01-01 781904 2005-01-01 1237343 2006-01-01 754640 2007-01-01 2172134 2008-01-01 1903718 2009-01-01 1524318 2010-01-01 2782003 2013-01-01 722503 2014-01-01 1240235 2015-01-01 676461 2016-01-01 233434