Year	% of commercial profits
2005	6.5
2006	6.5
2007	6.5
2008	6.5
2009	6.5
2010	6.5
2011	6.5
2012	9.3
2013	9.2
2014	9.5
2015	9.5
2016	9.5
2017	9.6
2018	9.9
2019	10.7