Year	% of commercial profits
2005	15.1
2006	15.1
2007	15.1
2008	15.1
2009	15.1
2010	15.2
2011	13.5
2012	13.4
2013	13.3
2014	13.2
2015	13.1
2016	10.6
2017	10.6
2018	10.5
2019	10.5