Year	% of commercial profits
2005	14.3
2006	14.3
2007	14.5
2008	13.6
2009	15.6
2010	15.3
2011	14.6
2012	14.6
2013	13.1
2014	12.7
2015	12.7
2016	12.7
2017	12.7
2018	12.7
2019	12.7