Year	% of profit
2005	34.32000000000001
2006	34.94
2007	35.38000000000001
2008	35.64
2009	35.32000000000001
2010	42.14
2011	45.36
2012	37.16
2013	38.93749999999999
2014	38.800000000000004
2015	38.68749999999999
2016	40.31249999999999
2017	43.199999999999996
2018	43.587500000000006
2019	43.8625