Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 1.58178773704146 2008 1.53405359604131 2009 1.5044469333 2010 1.6103776759 2011 1.7 2012 1.7 2013 1.8 2015 2.04819273948669 2016 2 2017 2.1