Year	% of profit
2005	68.89245283018869
2006	67.7888888888889
2007	66.77962962962964
2008	66.00370370370372
2009	65.39454545454548
2010	63.34545454545457
2011	54.89818181818185
2012	53.24736842105265
2013	47.42413793103451
2014	43.81034482758621
2015	44.01724137931033
2016	43.90862068965516
2017	44.32586206896551
2018	44.54655172413792
2019	45.062068965517234