Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.05475924661514
2008	5.11101959750594
2009	5.21705678565263
2010	5.26894584052632
2011	5.25263157894737
2012	5.31052631578947
2013	5.31578947368421
2014	5.27368421052632
2015	5.13658656628968
2016	5.14210526315789
2017	5.06842105263158