Year	% of profit
2005	43.5
2006	43.5
2007	43.5
2008	40.5
2009	39.9
2010	39.9
2011	39.9
2012	39.9
2013	39.9
2014	42.7
2015	42.7
2016	42.7
2017	42.7
2018	42.7
2019	42.7