Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.04422076089112
2008	5.00600405485996
2009	5.08595074871945
2010	5.1748205136
2011	5.16944444444444
2012	5.19444444444445
2013	5.17222222222222
2014	5.14444444444445
2015	5.05849067632119
2016	5.06388888888889
2017	5.01111111111111