Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.39253515939126
2008	3.45086255033471
2009	3.61295973189195
2010	3.75758658619348
2011	3.72083333333333
2012	3.74591836734694
2013	3.68921568627451
2014	3.57777777777778
2015	3.52355486227308
2016	3.52371134020619
2017	3.56881720430107