Year Dollars 1997-01-01 418988 2002-01-01 333550 2003-01-01 18662 2004-01-01 106575 2005-01-01 250139 2006-01-01 239366 2007-01-01 165674 2008-01-01 1200571 2010-01-01 481030 2011-01-01 786038 2012-01-01 463098 2013-01-01 461559 2014-01-01 362609 2015-01-01 343489 2016-01-01 527135