Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	5.209722586424
2008	5.05264117727273
2009	5.2733140611
2010	5.3374735508
2011	5.3
2012	5.1
2013	5.1
2014	4.9
2015	4.65090092023214
2016	4.7
2017	4.9