Year	% of commercial profits
2005	7.9
2006	7.6
2007	6.6
2008	6.7
2009	6.6
2010	6.2
2011	6.2
2012	5.2
2013	4.9
2014	4.7
2015	4.5
2016	4.3
2017	4.2
2018	4
2019	3.8