Year	% of commercial profits
2005	8.4
2006	8.5
2007	8.7
2008	8.7
2009	7.3
2010	6.9
2011	7.8
2012	8.5
2013	8.9
2014	8.9
2015	8.9
2016	8.9
2017	9
2018	8.8
2019	8.5