Year	% of commercial profits
2005	24.7
2006	24.7
2007	21.6
2008	21.5
2009	24.1
2010	16.7
2011	16.3
2012	16.3
2013	16.3
2014	16.3
2015	16.2
2016	16.2
2017	16.2
2018	16.2
2019	16.4