Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.00520823776528
2008	5.26330147417582
2009	5.4167728837
2010	5.6411847928
2011	5.5
2012	5.4
2013	5.3
2014	5.2
2015	5.17832225686625
2016	5.2
2017	5.2