Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.26681516260077
2008	4.36755000808272
2009	4.51499562928421
2010	4.75478987087368
2011	4.60454545454545
2012	4.5695652173913
2013	4.4375
2014	4.34347826086957
2015	4.25863691028957
2016	4.255
2017	4.33684210526316