Year	% of commercial profits
2005	17
2006	17
2007	17
2008	17
2009	16
2010	15.9
2011	15.9
2012	21.7
2013	21.7
2014	21.5
2015	21.5
2016	21.5
2017	21.5
2018	21.5
2019	21.5