Year % 1995 5.9 2000 6.8 2003 7.2 2004 7.1 2005 6.9 2006 6.7 2007 7 2008 7.1 2009 7 2010 6.7 2011 6.1 2012 5.8 2013 5.9 2014 5.9 2015 5.8 2016 6.3 2017 6.6 2018 7.2 2019 7 2020 6.7 2021 7.1