Year	% of commercial profits
2005	23.7
2006	23.7
2007	22.2
2008	21.9
2009	21.1
2010	20.9
2011	20.5
2012	20.4
2013	20.8
2014	20.9
2015	21.1
2016	21.1
2017	21.1
2018	21.1
2019	21