Year Dollars 1992-01-01 20149359 1997-01-01 18519483 2002-01-01 15059082 2003-01-01 14026674 2004-01-01 20440983 2005-01-01 15058675 2006-01-01 23891124 2007-01-01 29970656 2008-01-01 88242051 2009-01-01 24771119 2010-01-01 29033610 2011-01-01 28773209 2012-01-01 43349948 2013-01-01 38252444 2014-01-01 31084355 2015-01-01 31969451 2016-01-01 28070098