Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.3393672317783
2008	3.40521117106079
2009	3.55550545912346
2010	3.6919170771314
2011	3.65777777777778
2012	3.67362637362637
2013	3.61052631578947
2014	3.48260869565217
2015	3.42665352548729
2016	3.42666666666667
2017	3.47441860465116