Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.97994232594212
2008	4.32238683967865
2009	4.278193043
2010	4.321479666
2011	4.5
2012	4.4
2013	4.5
2014	4.6
2015	4.54880485442716
2016	4.5
2017	4.6