Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 3.29281767955801 2008 3.15234968453467 2009 3.0297130164 2010 3.332516026 2011 3.6 2012 3.4 2013 2.7 2014 2.7 2015 2.91224895204817 2016 2.9 2017 3.2