Year Dollars 2004-01-01 2177293 2005-01-01 2487976 2008-01-01 5293081 2011-01-01 7149456 2012-01-01 5018342 2013-01-01 12931334 2014-01-01 8610427 2015-01-01 6565797 2016-01-01 2844257