Year Percent 2000-01-01 1.30 2001-01-01 1.30 2002-01-01 1.80 2003-01-01 1.80 2004-01-01 2.50 2005-01-01 2.50 2006-01-01 2.50 2007-01-01 2.50 2008-01-01 2.50 2009-01-01 2.50 2010-01-01 2.50 2011-01-01 2.50 2012-01-01 2.50 2013-01-01 2.50 2014-01-01 2.50 2015-01-01 2.50 2016-01-01 9.29