Year	% of commercial profits
2005	5.7
2006	5.7
2007	5.7
2008	5.7
2009	5.7
2010	5.7
2011	5.7
2012	5.7
2013	4
2014	4.3
2015	5.4
2016	5.4
2017	5.4
2018	5.4
2019	5.4