Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.28089887640449
2008	4.14928381855929
2009	4.1614030629
2010	4.5877793195
2011	4.7
2012	4.6
2013	4.4
2014	4
2015	3.60368441648261
2016	3.6
2017	3.5