Year Dollars 1997-01-01 444148 2002-01-01 301946 2003-01-01 444184 2005-01-01 110461 2006-01-01 92847 2007-01-01 496552 2008-01-01 608042 2009-01-01 494765 2010-01-01 652366 2011-01-01 578941 2012-01-01 351294 2014-01-01 405301 2015-01-01 341285 2016-01-01 268221