Year	% of profit
2005	72.5
2006	72.5
2007	72.5
2008	72.5
2009	72.5
2010	72.5
2011	72.5
2012	75.2
2013	75
2014	75.4
2015	75.4
2016	75.5
2017	75.5
2018	75.8
2019	76.6