Year	% of profit
2006	42.5
2007	42.2
2008	42.5
2009	42.5
2010	42.5
2011	42.5
2012	25.3
2013	26.9
2014	31.4
2015	47.7
2016	45.5
2017	45.5
2018	45.5
2019	46.2