Year Dollars 2002-01-01 346114 2005-01-01 296978 2006-01-01 452159 2007-01-01 1036870 2009-01-01 581378 2010-01-01 419957 2011-01-01 950027 2012-01-01 168593 2013-01-01 91446 2014-01-01 155714 2015-01-01 150520