Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.67180310790582
2008	3.78489121678147
2009	3.90926867572857
2010	3.9935069849
2011	3.87777777777778
2012	3.8125
2013	3.84444444444444
2014	3.68888888888889
2015	3.91632888221173
2016	3.92857142857143
2017	3.875
