Year Dollars 1992-01-01 130672305 1997-01-01 188552589 2002-01-01 156815839 2003-01-01 117908004 2004-01-01 133808329 2005-01-01 166982847 2006-01-01 209010254 2007-01-01 233643003 2008-01-01 218495829 2009-01-01 180188417 2010-01-01 189047284 2011-01-01 177587710 2012-01-01 178349022 2013-01-01 189084687 2014-01-01 274294024 2015-01-01 225615454 2016-01-01 231930232