Year Dollars 1992-01-01 200605779 1997-01-01 168455107 2002-01-01 213121237 2003-01-01 226550556 2004-01-01 235326124 2005-01-01 268990897 2006-01-01 403625255 2007-01-01 570520960 2008-01-01 408307546 2009-01-01 220722256 2010-01-01 225429995 2011-01-01 291969964 2012-01-01 292559067 2013-01-01 217260004 2014-01-01 265479801 2015-01-01 213629333 2016-01-01 244433758