Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.50974654276913
2008	3.56528948556986
2009	3.71237534214615
2010	3.80731539104333
2011	3.82333333333333
2012	3.85294117647059
2013	3.71714285714286
2014	3.50909090909091
2015	3.38874260032089
2016	3.38787878787879
2017	3.340625