Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	6.5296525198939
2008	6.42165827477376
2009	6.3829909306
2010	6.3879094909
2011	6.1
2012	6
2013	5.8
2014	5.7
2015	5.60958820600663
2016	5.6
2017	5.5