17

5.6

5.6

-

-

18

5.8

5.7

-

-

19

5.6

5.6

-

-

20

5.4

5.6

-

-

21

5.1

-

-

22

5.1

-

-

23

5.4

-

-

24

5.7

-

-

平均

5.6 ± 0.3

5.6 ± 0.2