Year Dollars 1992-01-01 3922032 1997-01-01 14392042 2002-01-01 14653284 2003-01-01 28610754 2004-01-01 17463142 2005-01-01 11843674 2006-01-01 16193316 2007-01-01 11031312 2008-01-01 9423575 2009-01-01 6736126 2010-01-01 7981942 2011-01-01 13127434 2012-01-01 12315967 2013-01-01 8264038 2014-01-01 7490683 2015-01-01 11899406 2016-01-01 9453781