Year Dollars 1997-01-01 381121 2002-01-01 132607 2003-01-01 376736 2004-01-01 297670 2005-01-01 715589 2006-01-01 458133 2007-01-01 834030 2008-01-01 874432 2009-01-01 1155095 2010-01-01 1419922 2011-01-01 1091418 2012-01-01 746599 2013-01-01 1221305 2014-01-01 1076888 2015-01-01 1356558 2016-01-01 1149041