Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2008	3.523896
2009	3.5327999406
2010	3.5616072425
2011	3.6
2012	3.7
2013	3.3
2014	2.6
2015	2.20398279103366
2016	2.2
2017	2.1