Year Dollars 2002-01-01 131662 2005-01-01 135054 2006-01-01 634724 2007-01-01 574461 2008-01-01 590140 2009-01-01 935667 2012-01-01 158080 2014-01-01 620491 2015-01-01 1301729 2016-01-01 927224