Year Dollars 1997-01-01 28633 2002-01-01 365598 2003-01-01 25661 2004-01-01 207051 2005-01-01 565026 2006-01-01 259121 2007-01-01 219676 2009-01-01 24415 2010-01-01 48113 2011-01-01 1717721 2012-01-01 1648880 2013-01-01 2418935 2014-01-01 357739 2015-01-01 246857 2016-01-01 315323