Year	% of commercial profits
2005	31.2
2006	31.2
2007	31.2
2008	31.2
2009	30.8
2010	28.9
2011	28
2012	27.3
2013	20.6
2014	20.6
2015	20.6
2016	20.3
2017	19.2
2018	19.6
2019	19.6