Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 3.08300631726555 2008 3.08668127794581 2009 3.15637271242222 2010 3.21873442441579 2011 3.28947368421053 2012 3.3 2013 3.37222222222222 2014 3.38888888888889 2015 3.32635648892243 2016 3.32631578947368 2017 3.45555555555556