Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	3.082869703728
2008	3.18868490051143
2009	3.37442555546471
2010	3.55072674895833
2011	3.45384615384615
2012	3.49024390243902
2013	3.34651162790698
2014	3.08333333333333
2015	3.00219861698314
2016	3.00243902439024
2017	2.965
