Year	% of commercial profits
2005	10.1
2006	10.1
2007	9.4
2008	9.4
2009	9.4
2010	9.4
2011	9.7
2012	9.5
2013	5.4
2014	5.4
2015	5.4
2016	5.4
2017	5.4
2018	5.2
2019	5.2