Year	% of profit
2005	45.24545454545454
2006	44.18888888888888
2007	43.19999999999998
2008	42.56666666666666
2009	39.91521739130435
2010	38.77391304347826
2011	38.22391304347826
2012	38.321276595744685
2013	39.568627450980394
2014	39.47843137254901
2015	39.492156862745084
2016	39.2156862745098
2017	38.99803921568627
2018	39.072549019607834
2019	39.09803921568626