Year	% of commercial profits
2005	31.8
2006	32.3
2007	32.7
2008	33.4
2009	33.9
2010	33.9
2011	28.8
2012	28.8
2013	28.8
2014	30.1
2015	18.6
2016	18.6
2017	18.6
2018	18.6
2019	23.6