Year	% of commercial profits
2005	21.4
2006	21.6
2007	23.2
2008	22.9
2009	17.6
2010	23.2
2011	19.2
2012	19.3
2013	23.2
2014	23.3
2015	23.2
2016	23.2
2017	23.2
2018	23.2
2019	23.2