Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.92563134423506
2008	3.99069861330382
2009	4.13160075031951
2010	4.23269268767442
2011	4.2
2012	4.18372093023256
2013	4.17954545454545
2014	4.14186046511628
2015	4.06975136078747
2016	4.07380952380952
2017	4.09756097560976