Year Dollars 1992-01-01 2459879 1997-01-01 7587276 2002-01-01 2459616 2003-01-01 5110260 2004-01-01 9333892 2005-01-01 5766028 2006-01-01 5887336 2007-01-01 8444849 2008-01-01 8143992 2009-01-01 7334700 2010-01-01 4025779 2011-01-01 6593538 2012-01-01 8252826 2013-01-01 5530610 2014-01-01 7853872 2015-01-01 8910206 2016-01-01 11747648