Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.43236723672367
2008	5.34934388738404
2009	5.4743795
2010	5.4174761389
2011	5.5
2012	5.5
2013	5.5
2014	5.8
2015	5.46662938293369
2016	5.5
2017	5.5