Grade 0

Grade 1

Grade 2

Grade 3

Subtotal

Average

p

BD

C

BD

C

BD

C

BD

C

BD

C

BD

C

LS

21

12

9

15

1

5

2

1

33

33

0.5

0.85

0.06

LI

20

14

10

9

4

6

1

3

35

32

0.6

0.94

0.53

RS

16

10

9

11

6

8

4

4

35

33

0.9

1.18

0.64

RI

13

16

10

12

5

5

4

2

32

35

1

0.8

0.83

Σ

70

55

38

47

16

24

13

10

135

136

1

0.75