Year	% of profit
2005	50.6
2006	50.8
2007	50.8
2008	50.4
2009	48.8
2010	48.8
2011	48.8
2012	48.8
2013	48.8
2014	48.8
2015	48.8
2016	57.7
2017	57.7
2018	57.7
2019	57.7