Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 2.69104945621973 2008 2.62044767127728 2009 2.8024368643 2010 2.9841050136 2011 3.3 2012 3.6 2013 3.4 2014 3.2 2015 2.97866837084293 2016 3 2017 2.8