Year	0=less disclosure to 10=more disclosure
2005	3.774193548387097
2006	3.870967741935484
2007	3.870967741935484
2008	3.870967741935484
2009	3.870967741935484
2010	3.903225806451613
2011	3.903225806451613
2012	3.935483870967742
2013	3.967741935483871
2014	4
2015	4.096774193548387
2016	4.096774193548387
2017	4.193548387096774
2018	4.193548387096774
2019	4.193548387096774