Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.84526664207624
2008	3.98199511883857
2009	4.25513011822
2010	4.677734832325
2011	4.38333333333333
2012	4.56
2013	4.62
2014	4.46
2015	4.09051370010001
2016	4.1
2017	4.35