Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.08300631726555
2008	3.08668127794581
2009	3.15637271242222
2010	3.21873442441579
2011	3.28947368421053
2012	3.3
2013	3.37222222222222
2014	3.38888888888889
2015	3.32635648892243
2016	3.32631578947368
2017	3.45555555555556
