Year	% of profit
2005	48.82500000000001
2006	46.135999999999996
2007	45.583999999999996
2008	43.87692307692309
2009	43.08461538461539
2010	42.71153846153846
2011	41.82222222222222
2012	42.20740740740742
2013	42.08148148148148
2014	42.24444444444445
2015	41.7037037037037
2016	41.48518518518517
2017	40.770370370370365
2018	40.63703703703703
2019	40.01851851851852