Year Dollars 1992-01-01 3512473 1997-01-01 3047197 2002-01-01 4469694 2003-01-01 5336356 2004-01-01 4380571 2005-01-01 9745422 2006-01-01 6611719 2007-01-01 9476291 2008-01-01 14456682 2009-01-01 8095936 2010-01-01 9984317 2011-01-01 8104839 2012-01-01 5779617 2013-01-01 4189389 2014-01-01 9684621 2015-01-01 2872223 2016-01-01 2927926