Year	% of commercial profits
2006	5.6
2007	5.6
2008	5.6
2009	5.6
2010	5.6
2011	8.5
2012	8.5
2013	7.9
2014	7.9
2015	7.9
2016	7.9
2017	7.9
2018	7.9
2019	7.9