Year	% of profit
2005	63.5
2006	63.5
2007	63.5
2008	63.3
2009	63.3
2010	63.3
2011	64.1
2012	62.4
2013	62.4
2014	59.3
2015	60.1
2016	59.8
2017	60.2
2018	60.6
2019	60.6