Year Dollars 1997-01-01 107984 2002-01-01 44223 2003-01-01 23458 2004-01-01 587173 2006-01-01 241467 2007-01-01 252953 2008-01-01 328652 2009-01-01 739312 2012-01-01 267557 2013-01-01 235472 2014-01-01 77166 2015-01-01 100532 2016-01-01 190747