Age

Frequency

%

Grade

Frequency

%

7

2

0.6

3

38

11.7

8

39

12.0

4

32

9.8

9

28

8.6

5

14

4.3

10

15

4.6

6

53

16.3

11

56

17.2

7

44

13.5

12

40

12.3

8

41

12.6

13

38

11.7

9

37

11.4

14

38

11.7

10

35

10.8

15

39

12.0

11

31

9.5

16

29

8.9

17

1

0.3