Year	% of commercial profits
2005	3.9
2006	3.8
2007	4.1
2008	4.5
2009	4
2010	4.8
2011	4.8
2012	4.8
2013	3.5
2014	3.3
2015	4
2016	4
2017	4.4
2018	4.4
2019	3.6