Year	% of commercial profits
2005	32.5
2006	32.5
2007	32.5
2008	32.5
2009	32.5
2010	32.5
2011	32.5
2012	32.5
2013	31.3
2014	31.3
2015	31.3
2016	31.3
2017	31.3
2018	31.3
2019	31.3