Year	% of commercial profits
2005	20.7
2006	20.9
2007	21.7
2008	21.7
2009	21.7
2010	21.7
2011	21.7
2012	19.8
2013	19.8
2014	20
2015	20
2016	20
2017	20
2018	20
2019	20