Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.1304347826087
2008	4.1598149725525
2009	3.7168858622
2010	3.8067172256
2011	3.9
2012	3.7
2013	3.6
2014	3
2015	2.71554263760062
2016	2.7
2017	3.1