Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.48930208863984
2008	3.33138497508447
2009	3.472473754
2010	3.8602977121
2011	3.9
2012	4
2013	4.2
2014	4
2015	4.20717230771212
2016	4.2
2017	4.6