Table 12 Number of rejected test for each month and risk pair: the first row indicates the rating of the starting node of the path, the second row the rating of the target node for outgoing (left) and incoming (right) paths

11

10

13

11

8

14

11

10

13

5

17

14

2

19

13

5

17

14

11

12

10

11

11

9

11

12

10

4

15

9

2

17

10

4

15

9

12

12

11

13

13

12

12

12

11

4

17

13

4

19

10

4

17

13

12

9

12

11

10

11

12

9

12

4

17

14

3

19

13

4

17

14

12

15

12

12

15

12

12

15

12

6

19

14

3

20

15

6

19

14

10

11

7

10

12

7

10

11

7

4

16

11

1

18

11

4

16

11

10

14

10

11

15

10

10

14

10

4

13

16

1

18

16

4

13

16

13

11

10

13

11

10

13

11

10

3

16

11

2

18

11

3

16

11

12

12

11

12

13

13

12

12

11

4

18

14

2

20

14

4

18

14

10

8

12

9

9

10

10

8

12

5

15

13

2

17

13

5

15

13

9

12

7

10

11

8

9

12

7

5

15

11

3

17

11

5

15

11

10

10

10

9

10

10

10

10

10

3

15

9

1

17

8

3

15

9