Year	% of commercial profits
2005	22
2006	22
2007	22
2008	24.1
2009	20.4
2010	19.6
2011	18.8
2012	18
2013	17.1
2014	16.3
2015	16.3
2016	16.3
2017	16.3
2018	16.6
2019	16.6