Year Dollars 1992-01-01 5613794 1997-01-01 25500000 2002-01-01 21830432 2003-01-01 26901338 2004-01-01 35243388 2005-01-01 49610961 2006-01-01 49879137 2007-01-01 76879984 2008-01-01 92242788 2009-01-01 77715669 2010-01-01 109282578 2011-01-01 112357945 2012-01-01 121674918 2013-01-01 133958934 2014-01-01 118364633 2015-01-01 156370632 2016-01-01 162883317