Year	0=less disclosure to 10=more disclosure
2005	5.185185185185185
2006	5.37037037037037
2007	5.37037037037037
2008	5.37037037037037
2009	5.444444444444445
2010	5.518518518518518
2011	5.7407407407407405
2012	6
2013	6.148148148148148
2014	6.111111111111111
2015	6.111111111111111
2016	6.185185185185185
2017	6.185185185185185
2018	6.222222222222222
2019	6.296296296296297