Year	% of commercial profits
2006	4.7
2007	4.2
2008	4.2
2009	4.2
2010	4.2
2011	4.2
2012	4.2
2013	4.2
2014	4.6
2015	4.6
2016	4.6
2017	4.2
2018	4.2
2019	4.2