Year years 2003 2.7 2004 2.7 2005 2.7 2006 2.7 2007 2.7 2008 2.7 2009 2.7 2010 2.7 2011 2.7 2012 2.7 2013 2.7 2014 2.7 2015 2.7 2016 2.7 2017 2.7 2018 2.7 2019 2.7