Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	6.38395590712664
2008	6.30162436545894
2009	6.3390730146
2010	6.400146575
2011	6.5
2012	6.3
2013	6.3
2014	6.4
2015	6.30819797368013
2016	6.3
2017	6.1