Year 0=less disclosure to 10=more disclosure 2005 2.888888888888889 2006 2.888888888888889 2007 2.888888888888889 2008 2.888888888888889 2009 2.888888888888889 2010 2.888888888888889 2011 2.888888888888889 2012 2.888888888888889 2013 2.888888888888889 2014 2.888888888888889 2015 2.888888888888889 2016 2.888888888888889 2017 2.888888888888889 2018 2.888888888888889 2019 2.888888888888889