20

16

4

0.8

19

13

6

0.684

21

14

7

0.667

19

12

7

0.632

20

11

9

0.55

20

9

11

0.45

20

7

13

0.35

19

6

13

0.316

20

6

14

0.3

20

5

15

0.25