Year Dollars 2002-01-01 43161 2004-01-01 30279 2005-01-01 90225 2006-01-01 50957 2008-01-01 17998 2010-01-01 93175 2011-01-01 405854 2012-01-01 23621 2013-01-01 200402 2014-01-01 41382 2015-01-01 58137 2016-01-01 53753