Year	% of commercial profits
2006	19.4
2007	19.4
2008	20
2009	18.8
2010	17.9
2011	12.8
2012	12.8
2013	12.8
2014	12.8
2015	12.8
2016	13.3
2017	13.4
2018	13.4
2019	13.4