Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.74163330059681
2008	5.96443691734455
2009	6.2267934
2010	6.3101225745
2011	6.2
2012	6.2
2013	6
2014	5.9
2015	5.9769813953444
2016	6
2017	5.9