Year Dollars 2003-01-01 23635 2004-01-01 351665 2005-01-01 25234 2006-01-01 60344 2007-01-01 456336 2009-01-01 44904 2011-01-01 538156 2012-01-01 54201 2013-01-01 43869 2014-01-01 85563 2015-01-01 139354 2016-01-01 188213