Year	% of commercial profits
2005	23.1
2006	23.1
2007	22
2008	21.1
2009	19.9
2010	18.2
2011	18.2
2012	18.2
2013	18.2
2014	18.2
2015	18.2
2016	18.2
2017	18.2
2018	18.2
2019	18.2