Year Dollars 1997-01-01 570242 2002-01-01 35974 2003-01-01 34244 2004-01-01 86236 2005-01-01 68117 2006-01-01 190041 2007-01-01 63472 2008-01-01 208468 2009-01-01 222713 2010-01-01 38787 2011-01-01 266428 2012-01-01 101832 2013-01-01 55005 2014-01-01 44685 2015-01-01 21486