Year	% of commercial profits
2005	35.8
2006	33.4
2007	26.6
2008	26.8
2009	22.9
2010	20.4
2011	19.2
2012	20.2
2013	20.2
2014	20.2
2015	20.2
2016	20.2
2017	20.2
2018	20.8
2019	21.5