Year Dollars 1997-01-01 225414 2002-01-01 109608 2003-01-01 114542 2004-01-01 409399 2005-01-01 385501 2006-01-01 288965 2007-01-01 225512 2008-01-01 259043 2009-01-01 311976 2010-01-01 139063 2012-01-01 133832 2013-01-01 188778 2014-01-01 287017 2015-01-01 1015498 2016-01-01 259544