Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 3.16076386274582 2008 3.39593782410942 2009 3.55331200412 2010 3.81929333092 2011 3.5 2012 3.53846153846154 2013 3.35714285714286 2014 3.14615384615385 2015 3.22587674672918 2016 3.22727272727273 2017 2.94545454545455