Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.1827937685954
2008	3.19387649098758
2009	3.28732084633333
2010	3.40850836511875
2011	3.26666666666667
2012	3.31
2013	3.31052631578947
2014	2.92777777777778
2015	2.84248429244462
2016	2.84444444444444
2017	2.865