Year Dollars 1992-01-01 3794695 2003-01-01 2536585 2004-01-01 1704468 2005-01-01 2584121 2006-01-01 5654674 2007-01-01 6161710 2008-01-01 15134659 2009-01-01 13602612 2010-01-01 5054133 2011-01-01 18610154 2012-01-01 4097179 2013-01-01 25582427 2014-01-01 4899679 2015-01-01 5698590 2016-01-01 2195105