Year	% of profit
2005	71.90454545454544
2006	73.72222222222223
2007	72.96888888888888
2008	72.30000000000001
2009	71.69777777777777
2010	69.08000000000001
2011	58.3577777777778
2012	57.445652173913054
2013	49.968085106382986
2014	45.51702127659574
2015	45.76382978723404
2016	46.56595744680851
2017	46.53404255319149
2018	46.714893617021275
2019	47.268085106382976
