Year	% of commercial profits
2005	7.9
2006	7.6
2007	6.6
2008	6.7
2009	6.6
2010	6.2
2011	6.2
2012	5.2
2013	5.4
2014	5.35
2015	5.25
2016	5.199999999999999
2017	5.15
2018	5.05
2019	4.949999999999999