Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.72017141799334
2008	5.70703004942529
2009	5.5227711188
2010	5.5768323303
2011	5.7
2012	5.5
2013	5.4
2014	5.6
2015	5.56585090511341
2016	5.6
2017	5.4