Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.1961985931205
2008	3.20359229097108
2009	3.370575278005
2010	3.5165905143
2011	3.37916666666667
2012	3.47692307692308
2013	3.24
2014	2.93928571428571
2015	2.87241778438959
2016	2.87307692307692
2017	2.93333333333333