1 0.052632
2 0.105263
3 0.157895
4 0.210526
5 0.263158
6 0.315789
7 0.368421
8 0.421053
9 0.473684
10 0.526316
11 0.578947
12 0.631579
13 0.684211
14 0.736842
15 0.789474
16 0.842105
17 0.894737
18 0.947368
19 0.002770
20 0.055402