Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 3.67180310790582 2008 3.78489121678147 2009 3.90926867572857 2010 3.9935069849 2011 3.87777777777778 2012 3.8125 2013 3.84444444444444 2014 3.68888888888889 2015 3.91632888221173 2016 3.92857142857143 2017 3.875