Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.11832151300236
2008	4.10512257351598
2009	4.6686389609
2010	5.0896417862
2011	4.9
2012	4.8
2013	4.6
2014	4.2
2015	4.1168873551217
2016	4.1
2017	4.4