Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.09776795428118
2008	3.21987303044732
2009	3.40661449833333
2010	3.55124973570714
2011	3.45
2012	3.45625
2013	3.31470588235294
2014	3.04242424242424
2015	2.97292750648854
2016	2.96969696969697
2017	2.928125