Year Dollars 2002-01-01 216781 2004-01-01 417303 2005-01-01 71959 2006-01-01 139302 2007-01-01 88363 2008-01-01 324558 2009-01-01 450787 2010-01-01 136542 2011-01-01 159915 2012-01-01 102610 2014-01-01 71602 2015-01-01 112734 2016-01-01 173470