Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.45746302106679
2008	4.37549776135266
2009	4.4035424364
2010	4.6887176314
2011	4.7
2012	4.8
2013	5.1
2014	5.2
2015	5.18019421040257
2016	5.2
2017	5.1