Year % 2000 6.85 2001 6.85 2002 6.85 2003 6.84 2004 6.84 2005 6.84 2006 6.84 2007 6.84 2008 6.84 2009 6.89 2010 6.89 2011 6.89 2012 6.79 2013 6.79 2014 6.79 2015 6.79 2016 6.79 2017 6.82 2018 6.82 2019 6.82 2020 6.82 2021 6.82