Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.33333333333333
2008	3.21822498643068
2009	2.9542591414
2010	2.8744893961
2011	3.1
2012	3.3
2013	2.5
2014	2
2015	2.07842496236165
2016	2.1