Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.87154851601313
2008	5.93910897506272
2009	5.8864319133
2010	5.8728529
2011	5.6
2012	5.4
2013	5.4
2014	5.2
2015	5.28086048427381
2016	5.3
2017	5.1