Year Dollars 1997-01-01 419252 2002-01-01 377787 2003-01-01 254762 2004-01-01 792721 2005-01-01 219110 2010-01-01 215129 2011-01-01 296775 2012-01-01 254423 2013-01-01 506978 2014-01-01 1393349 2015-01-01 1015347 2016-01-01 133776