Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 2.64709628857623 2008 2.69201046365741 2009 3.4663609239 2010 3.5696792695 2011 3.3 2012 3.7 2013 2.9 2014 2.4 2015 2.70297821792396 2016 2.7 2017 2.6