Year 1=extremely underdeveloped to 7=well developed and efficient by international standards 2007 3.27076581576027 2008 3.08483443336559 2009 2.9047199059 2010 3.2000276673 2011 3 2012 2.7 2013 2.7 2014 2.8 2015 2.98897339593561 2016 3 2017 3.4