Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	2.81578947368421
2008	2.72247371043557
2009	2.9096425287
2010	2.86608865
2011	2.7
2012	3
2013	3
2014	2.5
2015	2.12559081134417
2016	2.1
2017	2.5