Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.03016253743188
2008	4.06458987739409
2009	4.19699071172406
2010	4.29614665956594
2011	4.25140845070422
2012	4.26180555555555
2013	4.20202702702703
2014	4.11805555555555
2015	4.03929933258998
2016	4.04142857142857
2017	4.06277372262774