Year	% of commercial profits
2005	21.4
2006	21.4
2007	21.4
2008	21.4
2009	16.9
2010	15.2
2011	15.2
2012	15.2
2013	11.9
2014	11.9
2015	11.9
2016	11.9
2017	11.9
2018	11.9
2019	11.9