Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 2.76470588235294 2008 2.5527527688921 2009 2.9759562571 2010 3.0559083574 2011 3.4 2012 3.4 2013 2.9 2014 2.7 2015 2.70637565457552 2016 2.7 2017 3