Year Dollars 2002-01-01 43663 2003-01-01 146409 2004-01-01 156635 2005-01-01 158847 2006-01-01 297506 2007-01-01 430176 2008-01-01 440747 2009-01-01 315369 2010-01-01 267879 2012-01-01 130331 2013-01-01 231251 2014-01-01 159400 2015-01-01 248562 2016-01-01 192773