Year Dollars 2007-01-01 4752883 2008-01-01 7168401 2009-01-01 5494316 2010-01-01 7749880 2011-01-01 9812606 2012-01-01 7275618 2013-01-01 10480555 2014-01-01 3173063 2015-01-01 4592020 2016-01-01 7042101