Year	% of profit
2005	78.35
2006	82.6952380952381
2007	80.65238095238094
2008	79.93809523809524
2009	79.67142857142858
2010	78.34285714285713
2011	61.07142857142857
2012	60.61428571428572
2013	57.540909090909096
2014	48.23181818181818
2015	48.93181818181818
2016	50.550000000000004
2017	50.472727272727276
2018	50.69545454545455
2019	52.050000000000004
