Year	% of commercial profits
2005	19.1
2006	19.1
2007	19.1
2008	17.5
2009	16.5
2010	16.9
2011	17.1
2012	17.6
2013	21.7
2014	21.9
2015	22.7
2016	22.7
2017	21.8
2018	21.8
2019	19.6