Year Dollars 2004-01-01 558689 2005-01-01 596565 2006-01-01 3603772 2007-01-01 6566347 2009-01-01 6878956 2010-01-01 8021968 2011-01-01 7316584 2012-01-01 14503308 2013-01-01 7710695 2014-01-01 5480197