Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 1.48648648648649 2008 1.78949861348381 2009 1.5968396894 2010 1.3965441 2011 1.5 2012 1.5 2013 1.3 2014 1.3 2015 1.50040606206114 2016 1.5 2017 1.4