Year	% of commercial profits
2005	22.3
2006	21.7
2007	21.7
2008	22.1
2009	22
2010	22
2011	21.8
2012	21.9
2013	21.6
2014	21.2
2015	21.2
2016	21.3
2017	21.4
2018	21.5
2019	21.5