Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	2.23102273015229
2008	2.28323627760098
2009	2.5678254526
2010	2.6656458
2011	2.3
2012	2.4
2013	2.9
2014	3
2015	3.13759108416607
2016	3.1
2017	3.4