Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.41992694461579
2008	3.49666024339478
2009	3.6462120729
2010	3.8496943615
2011	3.8
2012	3.8
2013	4.1
2014	4.3
2015	4.15085525183084
2016	4.2
2017	4.5