Year Dollars 1992-01-01 13833057 1997-01-01 21480424 2002-01-01 12120954 2003-01-01 12812746 2004-01-01 14638696 2005-01-01 22388048 2006-01-01 49926896 2007-01-01 53706661 2008-01-01 82864849 2009-01-01 19569657 2010-01-01 38626672 2011-01-01 39194784 2012-01-01 38210101 2013-01-01 39241815 2014-01-01 32513671 2015-01-01 22541101 2016-01-01 14094417