Year	% of commercial profits
2005	17.2
2006	17.2
2007	17.2
2008	17.2
2009	17.6
2010	12.6
2011	12.6
2012	12.6
2013	13.5
2014	13.5
2015	13.5
2016	13.5
2017	13.5
2018	13.6
2019	13.6