Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 2.97368421052632 2008 2.8751259829303 2009 2.8315535725 2010 2.8965176121 2011 2.6 2012 2.7 2013 2.7 2014 2.2 2015 1.56102942900951 2016 1.6 2017 1.6