Year	% of commercial profits
2005	9.5
2006	9.5
2007	9.5
2008	9.8
2009	9.8
2010	9.8
2011	10.8
2012	10.8
2013	8
2014	8
2015	8.7
2016	8.7
2017	8.7
2018	8.7
2019	8.9