Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	2.6631936821903
2008	3.04488734373619
2009	3.3962824572
2010	3.6232083659
2011	3.6
2012	3.6
2013	3.9
2014	4
2015	3.81293197439072
2016	3.8
2017	4