Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.41456629974164
2008	3.49904709281114
2009	3.65221645432222
2010	4.01674697555
2011	3.81111111111111
2012	3.85555555555556
2013	3.6
2014	3.50909090909091
2015	3.54483770094194
2016	3.54
2017	3.58888888888889