Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.56161659650466
2008	5.8016016
2009	5.7904247707
2010	5.6710871494
2011	5.5
2012	5.4
2013	5.5
2014	5.7
2015	5.532298956977
2016	5.5
2017	5.5