Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 3.20128981912079 2008 3.33221705362263 2009 3.6402897114 2010 3.7615393942 2011 3.7 2012 3.6 2013 3.7 2014 3.7 2015 3.82892558097839 2016 3.8 2017 3.7