Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.98719692740559
2008	4.02291788593798
2009	4.14955426873636
2010	4.26919786894546
2011	4.27272727272727
2012	4.29090909090909
2013	4.34545454545455
2014	4.38181818181818
2015	4.23527874780233
2016	4.23636363636364
2017	4.23636363636364