Year Dollars 2004-01-01 1459911 2007-01-01 3315646 2008-01-01 8322873 2009-01-01 10153228 2010-01-01 16285998 2011-01-01 8229498 2012-01-01 24782797 2013-01-01 19366781 2014-01-01 26058003 2015-01-01 15685463 2016-01-01 4994101