Year	% of commercial profits
2005	19.2
2006	19.2
2007	19.2
2008	19.2
2009	19.2
2010	19.2
2011	20.3
2012	20.3
2013	20.3
2014	20.3
2015	21.4
2016	22.6
2017	23.1
2018	23.7
2019	23.7
