Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.14285714285714
2008	3.61528974720134
2009	3.7671061154
2010	4.4259742684
2011	3.9
2012	3.5
2013	3.1
2014	2.6
2015	3.19529679715633
2016	3.2
2017	2.7