Year Dollars 1992-01-01 2067774 1997-01-01 624874 2002-01-01 4152729 2003-01-01 1521804 2004-01-01 3921234 2005-01-01 3660601 2006-01-01 5311254 2007-01-01 5903697 2008-01-01 7132979 2009-01-01 5270231 2010-01-01 5498103 2011-01-01 9042419 2012-01-01 5377174 2013-01-01 4872709 2014-01-01 5802459 2015-01-01 7704145 2016-01-01 13217258