Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 3.7027027027027 2008 3.86042692637315 2009 3.9253243665 2010 4.0123592305 2011 4 2012 4 2013 3.9 2014 3.8 2015 3.37181916971729 2016 3.4 2017 3.2