Year	0=less disclosure to 10=more disclosure
2005	3.3636363636363638
2006	3.3636363636363638
2007	3.3636363636363638
2008	3.3636363636363638
2009	3.3636363636363638
2010	3.3636363636363638
2011	3.3636363636363638
2012	3.3636363636363638
2013	3.3636363636363638
2014	3.3636363636363638
2015	3.3636363636363638
2016	3.3636363636363638
2017	3.3636363636363638
2018	3.3636363636363638
2019	3.4545454545454546