Year	% of commercial profits
2005	14.8
2006	14.8
2007	14.8
2008	16.7
2009	17.4
2010	15.5
2011	15
2012	15
2013	14.7
2014	14.5
2015	14.5
2016	14.5
2017	14.5
2018	14.5
2019	14.5