Year	1=extremely underdeveloped to 7=well developed and efficient by international standards
2007	4.05131340925883
2008	4.1861601444698
2009	4.2417904421
2010	4.3996618721
2011	4.5
2012	4.8
2013	5
2014	4.9
2015	4.77754223176411
2016	4.8
2017	5