Year	% of commercial profits
2005	18
2006	17.2
2007	15.8
2008	15.9
2009	17.3
2010	17.9
2011	18.1
2012	18.1
2013	18.4
2014	17.6
2015	20.2
2016	19.4
2017	19.8
2018	19.9
2019	20.5