Year Dollars 1992-01-01 11504510 1997-01-01 112981430 2002-01-01 61098866 2003-01-01 59327342 2004-01-01 58501345 2005-01-01 71721074 2006-01-01 75126100 2007-01-01 94183763 2008-01-01 93614544 2009-01-01 79965307 2010-01-01 99290056 2011-01-01 115788152 2012-01-01 158008606 2013-01-01 137565720 2014-01-01 167972354 2015-01-01 109043332 2016-01-01 128221932