Year	% of commercial profits
2005	12.4
2006	12.4
2007	12.4
2008	12.4
2009	12.4
2010	12.4
2011	12.4
2012	12.9
2013	13.8
2014	13.8
2015	14.4
2016	14.9
2017	15.5
2018	16.1
2019	16.1