Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.08667300490208
2008	5.09169901610557
2009	5.19622735519808
2010	5.29544943051538
2011	5.27884615384615
2012	5.27169811320755
2013	5.2622641509434
2014	5.24230769230769
2015	5.14206178537483
2016	5.148
2017	5.05490196078431