Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.87144719687093
2008	5.18716311327434
2009	5.4449535857
2010	5.56754625
2011	5.6
2012	5.7
2013	5.8
2014	5.5
2015	5.23220251628331
2016	5.2
2017	5.3