Year	% of commercial profits
2005	11
2006	11
2007	11
2008	11
2009	11.2
2010	9
2011	9.5
2012	9.5
2013	9.5
2014	10
2015	10.7
2016	10.7
2017	10.7
2018	10.3
2019	10.3