Year	% of commercial profits
2005	12
2006	12.4
2007	12.4
2008	12.4
2009	12.4
2010	12.4
2011	11.4
2012	11.4
2013	11.4
2014	10.7
2015	10.7
2016	10.8
2017	10.8
2018	10.8
2019	10.8