Year Dollars 1992-01-01 126546573 1997-01-01 213735501 2002-01-01 234965819 2003-01-01 231649929 2004-01-01 216466495 2005-01-01 262662574 2006-01-01 284870359 2007-01-01 292460700 2008-01-01 347024942 2009-01-01 193538752 2010-01-01 243419789 2011-01-01 296346753 2012-01-01 289356091 2013-01-01 251532078 2014-01-01 255218787 2015-01-01 230424190 2016-01-01 220375102