Year	% of commercial profits
2005	31.3
2006	31.3
2007	30.2
2008	30.2
2009	30.3
2010	30.3
2011	30.3
2012	30.2
2013	30.2
2014	31.1
2015	31.1
2016	31.1
2017	31.1
2018	31.1
2019	31.1