Year	% of profit
2005	40
2006	40
2007	40
2008	33.9
2009	24.4
2010	24.7
2011	24.7
2012	24.9
2013	24.8
2014	24.7
2015	24.7
2016	24.7
2017	24.7
2018	24.7
2019	25.7