Year Dollars 1992-01-01 37042183 1997-01-01 99489863 2002-01-01 79225345 2003-01-01 67553266 2004-01-01 71516462 2005-01-01 69522912 2006-01-01 87772701 2007-01-01 101495955 2008-01-01 131296200 2009-01-01 101867612 2010-01-01 118397888 2011-01-01 129761908 2012-01-01 127712909 2013-01-01 94450291 2014-01-01 119716281 2015-01-01 132978619 2016-01-01 117129691