Year years 2003 0.8 2004 0.8 2005 0.8 2006 0.8 2007 0.8 2008 0.8 2009 0.8 2010 0.8 2011 0.8 2012 0.8 2013 0.8 2014 0.8 2015 0.8 2016 0.8 2017 0.8 2018 0.8 2019 0.8