Year	% of commercial profits
2005	19.3
2006	19.3
2007	19.3
2008	15.2
2009	16.3
2010	16.1
2011	15.2
2012	15.2
2013	16.2
2014	16.2
2015	16.2
2016	16.2
2017	16.2
2018	16.2
2019	16.2