Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 3.06331269483383 2008 3.09927700752074 2009 3.1403562959625 2010 3.170581441 2011 3.24117647058824 2012 3.24705882352941 2013 3.29375 2014 3.275 2015 3.21356402865328 2016 3.21764705882353 2017 3.3375