Year	% of profit
2005	72.45116279069767
2006	74.29772727272729
2007	73.5272727272727
2008	72.8840909090909
2009	72.32499999999999
2010	69.69545454545454
2011	59.002272727272725
2012	58.20000000000001
2013	50.5
2014	45.8586956521739
2015	46.10434782608695
2016	46.92391304347826
2017	46.891304347826086
2018	47.07608695652174
2019	47.64130434782608