Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	6.41393123824872
2008	6.35328821136951
2009	6.2153317109
2010	6.1354733083
2011	6.2
2012	5.8
2013	5.7
2014	5.8
2015	5.75960258756365
2016	5.8
2017	5.7