Year	% of commercial profits
2005	9.5
2006	9.5
2007	9.5
2008	9.5
2009	9.5
2010	9.5
2011	9.5
2012	9.5
2013	9.4
2014	10.3
2015	10.7
2016	10.7
2017	10.7
2018	11.8
2019	12.1