Year	% of commercial profits
2005	6.8
2006	6.8
2007	6.8
2008	6.8
2009	6.8
2010	8.8
2011	8.8
2012	8.8
2013	8.8
2014	13.2
2015	13
2016	13
2017	13
2018	13
2019	13