Year	% of commercial profits
2005	11.9
2006	11.9
2007	11.9
2008	12
2009	12.1
2010	11.8
2011	12
2012	12
2013	12.2
2014	12.4
2015	12.4
2016	12.4
2017	12.4
2018	12.4
2019	12.4