Year	% of profit
2005	45.6764705882353
2006	36.49411764705882
2007	33.77368421052632
2008	33.02631578947369
2009	32.757894736842104
2010	32.6578947368421
2011	32.24499999999999
2012	32.24761904761905
2013	31.871428571428563
2014	32.26190476190476
2015	32.33809523809524
2016	32.057142857142864
2017	32.34761904761905
2018	32.40952380952382
2019	32.13333333333334