Year Dollars 1992-01-01 719122 1997-01-01 618581 2002-01-01 2297036 2003-01-01 1482615 2004-01-01 1532523 2006-01-01 6250190 2007-01-01 4838586 2008-01-01 2884204 2009-01-01 2317187 2010-01-01 3302236 2011-01-01 5296448 2012-01-01 9028849 2013-01-01 6983806 2014-01-01 5646108 2015-01-01 4626283 2016-01-01 6641624