Year Dollars 1992-01-01 84894695 1997-01-01 136828548 2002-01-01 56788882 2003-01-01 67720507 2004-01-01 84765771 2005-01-01 105021103 2006-01-01 103508190 2007-01-01 144981322 2008-01-01 171812286 2009-01-01 161423095 2010-01-01 202655010 2011-01-01 241170156 2012-01-01 175546200 2013-01-01 172487015 2014-01-01 140303209 2015-01-01 153575512 2016-01-01 151890081