Year	% of commercial profits
2005	23.2
2006	21.5
2007	20.8
2008	23.6
2009	22.1
2010	22.1
2011	22.1
2012	22.1
2013	22.1
2014	22.1
2015	22.1
2016	22.3
2017	22.3
2018	22.3
2019	22.3