Year	0=less disclosure to 10=more disclosure
2005	5.379310344827586
2006	5.379310344827586
2007	5.482758620689655
2008	5.482758620689655
2009	5.517241379310345
2010	5.517241379310345
2011	5.517241379310345
2012	5.620689655172414
2013	5.689655172413793
2014	5.931034482758621
2015	5.931034482758621
2016	5.931034482758621
2017	5.931034482758621
2018	5.931034482758621
2019	6.206896551724138