Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2008	3.487932
2009	4.0400505386
2010	4.4635513152
2011	4.2
2012	4
2013	4.2
2014	3.7
2015	3.50380013903188
2016	3.5
2017	3.6