Year	% of commercial profits
2005	36.3
2006	36.4
2007	36.5
2008	36.2
2009	34.2
2010	33.7
2011	35.5
2012	35.5
2013	35.2
2014	35.4
2015	35.6
2016	35.6
2017	35.6
2018	35.7
2019	35.8