Year	% of profit
2005	49.334999999999994
2006	48.78999999999999
2007	48.504999999999995
2008	47.839999999999996
2009	47.904999999999994
2010	47.83
2011	47.755
2012	47.769999999999996
2013	49.57727272727272
2014	49.949999999999996
2015	49.4090909090909
2016	47.34090909090909
2017	47.81818181818183
2018	48.04545454545455
2019	47.95