Year	% of profit
2005	52.2
2006	52.2
2007	52.2
2008	52.2
2009	52.2
2010	52.2
2011	52.3
2012	52.3
2013	52.6
2014	52.6
2015	49
2016	48
2017	49.1
2018	49.1
2019	49.1