Year Dollars 1997-01-01 1109506 2004-01-01 1553848 2005-01-01 815570 2006-01-01 778978 2007-01-01 2188376 2008-01-01 1857954 2009-01-01 1320508 2010-01-01 1997459 2011-01-01 1719773 2012-01-01 6788787 2014-01-01 4167590 2015-01-01 929669 2016-01-01 2478448