Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.47531148981577
2008	3.59280287368421
2009	4.1710573775
2010	4.1337441952
2011	3.8
2012	3.9
2013	4.2
2014	4.7
2015	4.01418199790152
2016	4
2017	3.4