Year Dollars 1992-01-01 7785599 1997-01-01 28818600 2002-01-01 21392711 2003-01-01 8753895 2004-01-01 9973491 2005-01-01 24880032 2006-01-01 39309518 2007-01-01 38913778 2008-01-01 24006728 2009-01-01 29574975 2010-01-01 32376635 2011-01-01 53130560 2012-01-01 59801186 2013-01-01 53769446 2014-01-01 79101979 2015-01-01 80723512 2016-01-01 44568033