Year	% of commercial profits
2005	3
2006	3
2007	3
2008	3
2009	3
2010	2.7
2011	2.7
2012	2.7
2013	2.6
2014	2.6
2015	2.6
2016	2.6
2017	2.6
2018	2.6
2019	2.6