Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.62002522023302
2008	3.77574650489511
2009	4.30070565
2010	4.3482509558
2011	4.4
2012	4.7
2013	4.6
2014	4.6
2015	4.51898540249831
2016	4.5
2017	4.8