Year Dollars 1992-01-01 5801897 1997-01-01 91123086 2002-01-01 18125328 2003-01-01 29061931 2004-01-01 23853755 2005-01-01 26409485 2006-01-01 18935355 2007-01-01 27347990 2008-01-01 32956887 2009-01-01 41332906 2010-01-01 42169689 2011-01-01 49412765 2012-01-01 69285032 2013-01-01 75087463 2014-01-01 25593789 2015-01-01 30302107 2016-01-01 30587482