Year	% of commercial profits
2005	30.4
2006	30.4
2007	30.1
2008	29.2
2009	23.4
2010	22.9
2011	23.2
2012	21.7
2013	21.3
2014	20.1
2015	20.4
2016	20.4
2017	20.4
2018	20.4
2019	20.4