Year	% of commercial profits
2005	38.6
2006	38.5
2007	38.3
2008	38.3
2009	38.3
2010	39.2
2011	39.4
2012	39.4
2013	39.4
2014	39
2015	39
2016	38.8
2017	38.8
2018	38.8
2019	38