Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 3.29794419758967 2008 3.40388082988088 2009 3.57143557969091 2010 3.7376868771913 2011 3.62916666666667 2012 3.62222222222222 2013 3.48888888888889 2014 3.22 2015 3.14242388441923 2016 3.13846153846154 2017 3.10833333333333