step,mean16
10,0.4595238095238095
20,0.6056547619047619
30,0.6764880952380953
40,0.6875
50,0.7017857142857142
60,0.7232142857142857
70,0.7160714285714286
80,0.7220238095238095
90,0.731845238095238
100,0.74375