Year	% of profit
2005	51.4
2006	51.4
2007	51.4
2008	51.4
2009	51.4
2010	51.4
2011	51.1
2012	51.1
2013	48.3
2014	48.3
2015	48.3
2016	48.3
2017	48.3
2018	48.3
2019	54.5