Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	2.9160531975539
2008	3.24810109094486
2009	3.3057991105
2010	4.0174146601
2011	3.9
2012	3.7
2013	3.7
2015	3.35820889472961
2016	3.4
2017	3.9