Year Dollars 1997-01-01 187748 2003-01-01 3777167 2004-01-01 2491172 2005-01-01 6225618 2006-01-01 1491183 2007-01-01 4393107 2008-01-01 4125839 2009-01-01 3455720 2010-01-01 4164260 2011-01-01 6574380 2012-01-01 7187298 2013-01-01 5971468 2014-01-01 6648088 2015-01-01 7386386 2016-01-01 3414811