Year	% of profit
2005	56.68000000000002
2006	55.784251968503945
2007	54.91811023622046
2008	54.06614173228346
2009	52.604687499999976
2010	51.114843749999984
2011	47.15891472868214
2012	46.31818181818182
2013	43.862411347517735
2014	42.02056737588653
2015	42.063120567375904
2016	41.94822695035461
2017	42.17730496453902
2018	42.24609929078016
2019	42.34113475177306