Year % 2001 10.02 2002 10 2003 10 2004 10 2005 10 2006 10 2007 9.94 2008 9.94 2009 9.94 2010 9.94 2011 9.94 2014 9.98 2015 9.98 2016 9.98 2017 10.01 2018 10.01 2019 10.01 2020 10.01 2021 10.01