Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.20259636338472
2008	3.25336267501499
2009	3.49788085046667
2010	3.66016506287647
2011	3.565
2012	3.61052631578947
2013	3.66315789473684
2014	3.6
2015	3.58487075959364
2016	3.57777777777778
2017	3.7125