Year Dollars 2002-01-01 425328 2005-01-01 61406 2007-01-01 951793 2008-01-01 2734988 2009-01-01 6708390 2010-01-01 2199751 2011-01-01 1548053 2012-01-01 13199597 2013-01-01 9366007 2014-01-01 13328282 2015-01-01 4879718 2016-01-01 8837920