Year Dollars 1992-01-01 10259304 1997-01-01 17518759 2002-01-01 21408103 2003-01-01 13877526 2004-01-01 16766893 2005-01-01 23328559 2006-01-01 24857282 2007-01-01 67246016 2008-01-01 47281749 2009-01-01 24568911 2010-01-01 45174406 2011-01-01 30608059 2012-01-01 61264682 2013-01-01 40099358 2014-01-01 31548110 2015-01-01 37093724 2016-01-01 62867610