Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	2.30940678794992
2008	2.21232291724138
2009	2.6894112183
2010	2.88307615
2011	2.7
2012	3.2
2013	3.5
2014	3.2
2015	2.83817927837372
2016	2.8
2017	3.1