Year	% of profit
2005	78.09230769230768
2006	76.4125
2007	75.31499999999998
2008	73.89499999999998
2009	73.64500000000001
2010	70.94749999999999
2011	58.847500000000004
2012	57.64285714285715
2013	49.52093023255814
2014	44.6906976744186
2015	44.81860465116279
2016	45.02558139534884
2017	45.590697674418614
2018	45.88604651162791
2019	46.22325581395349