Year Dollars 1992-01-01 159527 1997-01-01 311589 2002-01-01 569557 2003-01-01 2873668 2004-01-01 1325633 2005-01-01 254194 2006-01-01 475194 2007-01-01 901625 2008-01-01 775812 2009-01-01 181425 2010-01-01 65191 2011-01-01 617574 2012-01-01 788094 2013-01-01 180099 2014-01-01 193047 2015-01-01 429386 2016-01-01 167815