Year	% of commercial profits
2005	1.4
2006	1.8
2007	2.5
2008	2.5
2009	3.6
2010	3.6
2011	3.6
2012	3.6
2013	3
2014	3
2015	3
2016	3.2
2017	3.9
2018	4
2019	4