Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.43945151171113
2008	3.49961974048968
2009	3.76020007753636
2010	3.95999208564286
2011	3.82916666666667
2012	3.86521739130435
2013	3.91304347826087
2014	3.86363636363636
2015	3.83561916931907
2016	3.83181818181818
2017	3.96