Year	% of commercial profits
2005	7.8
2006	7.8
2007	8
2008	7.8
2009	6.8
2010	6.8
2011	6.8
2012	6.8
2013	5.2
2014	4.7
2015	4.7
2016	4.7
2017	3.4
2018	3.4
2019	3.4