Year	% of profit
2005	43.83207547169811
2006	40.82452830188677
2007	39.899999999999984
2008	39.822222222222216
2009	39.07962962962962
2010	38.72592592592592
2011	38.60925925925926
2012	38.851785714285725
2013	38.94754098360656
2014	38.332786885245895
2015	38.40327868852459
2016	37.32786885245902
2017	37.68196721311477
2018	37.69344262295081
2019	38.14262295081968