Year Dollars 1992-01-01 261156392 1997-01-01 395836575 2002-01-01 269615460 2003-01-01 264874447 2004-01-01 255768285 2005-01-01 262220238 2006-01-01 362998152 2007-01-01 306606579 2008-01-01 273559827 2009-01-01 209592037 2010-01-01 302115411 2011-01-01 305625480 2012-01-01 278885066 2013-01-01 235016880 2014-01-01 245731667 2015-01-01 248363906 2016-01-01 296809637