Year Dollars 1992-01-01 76405361 1997-01-01 131299053 2002-01-01 95083697 2003-01-01 116528771 2004-01-01 133768982 2005-01-01 186389475 2006-01-01 207501675 2007-01-01 204217004 2008-01-01 231085046 2009-01-01 261898291 2010-01-01 248860421 2011-01-01 230727080 2012-01-01 324978984 2013-01-01 254443879 2014-01-01 241669989 2015-01-01 216446948 2016-01-01 197202943