Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.05864478030227
2008	3.26298046706497
2009	3.6597954051
2010	3.9101550541
2011	3.9
2012	3.9
2013	4.3
2014	4.5
2015	4.32067672858077
2016	4.3
2017	4.4