Year Dollars 1992-01-01 17421945 1997-01-01 48125622 2002-01-01 49769713 2003-01-01 28214656 2004-01-01 52858534 2005-01-01 85901055 2006-01-01 57397277 2007-01-01 90499291 2008-01-01 113739748 2009-01-01 135295039 2010-01-01 117411235 2011-01-01 101975870 2012-01-01 63834592 2013-01-01 83038184 2014-01-01 75653814 2015-01-01 85960946 2016-01-01 72430167