Year Dollars 1997-01-01 87682 2002-01-01 343594 2003-01-01 649367 2004-01-01 297786 2005-01-01 196546 2006-01-01 135365 2007-01-01 112037 2009-01-01 447597 2010-01-01 563803 2012-01-01 1117510 2013-01-01 1286687 2015-01-01 127113 2016-01-01 333570