Year	% of commercial profits
2005	12.1
2006	12.1
2007	12.1
2008	12.1
2009	12.1
2010	12.1
2011	12.1
2012	12.1
2013	12.1
2014	12.1
2015	12.1
2016	12.1
2017	16.5
2018	15.6
2019	15.6