Year	% of commercial profits
2005	29.5
2006	27.2
2007	25.8
2008	22.1
2009	21
2010	21.3
2011	21.2
2012	20.9
2013	20.9
2014	21.1
2015	20.4
2016	20.6
2017	20.5
2018	20.5
2019	20.4