Year Dollars 1992-01-01 12742470 1997-01-01 44257968 2002-01-01 40685112 2003-01-01 27508262 2004-01-01 29012417 2005-01-01 26829619 2006-01-01 33107054 2007-01-01 38960152 2008-01-01 44627595 2009-01-01 46401803 2010-01-01 63586002 2011-01-01 93816170 2012-01-01 79135891 2013-01-01 71350191 2014-01-01 78501248 2015-01-01 81798137 2016-01-01 72409025