Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.44817306439917
2008	4.466458332821
2009	4.54385421191177
2010	4.7797887667625
2011	4.62352941176471
2012	4.65294117647059
2013	4.43157894736842
2014	4.36111111111111
2015	4.41605165293578
2016	4.41764705882353
2017	4.44117647058824