Year Dollars 1992-01-01 129034314 1997-01-01 73376731 2002-01-01 193271224 2003-01-01 207797277 2004-01-01 242045485 2005-01-01 227848514 2006-01-01 200333394 2007-01-01 233032617 2008-01-01 249716899 2009-01-01 205709034 2010-01-01 248471409 2011-01-01 395850467 2012-01-01 333056868 2013-01-01 342955269 2014-01-01 328855352 2015-01-01 335295694 2016-01-01 399081697