Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.72413793103448
2008	3.7437669403782
2009	3.7666469399
2010	3.7057202608
2011	3.7
2012	4.1
2013	4
2014	3.1
2015	2.49494121435077
2016	2.5
2017	1.9