Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.84871856621949
2008	4.93582614821144
2009	5.3590170376
2010	5.4608153522
2011	5.2
2012	5.2
2013	5.2
2014	5
2015	4.9060704675972
2016	4.9
2017	4.9