Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	2.39912442396313
2008	2.57219686519675
2009	2.9773865835
2010	3.39124405
2011	3.4
2012	3.3
2013	3.5
2014	3.7
2015	3.55837658101862
2016	3.6
2017	3.6