Year	% of commercial profits
2005	13.7
2006	15.1
2007	13.8
2008	13.8
2009	13.8
2010	13.8
2011	12.9
2012	12.9
2013	12.9
2014	12.9
2015	12.9
2016	13
2017	13
2018	13.8
2019	12.7