Year	% of commercial profits
2005	27.3
2006	26.6
2007	24.6
2008	23.2
2009	21.3
2010	20.5
2011	19.7
2012	19
2013	19.8
2014	19.7
2015	20.9
2016	20.8
2017	19.6
2018	18.8
2019	18