Year Dollars 2003-01-01 585316 2004-01-01 350603 2005-01-01 2124658 2006-01-01 532726 2007-01-01 331913 2008-01-01 317897 2009-01-01 141537 2012-01-01 440522 2013-01-01 311688 2014-01-01 216968 2015-01-01 492703 2016-01-01 502618