Year	% of profit
2005	71.90454545454546
2006	73.72222222222223
2007	72.96888888888887
2008	72.29999999999998
2009	71.69777777777777
2010	69.08000000000001
2011	58.35777777777778
2012	57.445652173913054
2013	49.96808510638298
2014	45.51702127659575
2015	45.763829787234044
2016	46.56595744680852
2017	46.5340425531915
2018	46.71489361702127
2019	47.26808510638297