题项

很少

较少

适中

充足

非常充裕

合计

5小时以下

2.81%

1.56%

2.50%

0.31%

0%

7.19%

5~10小时

0.94%

3.44%

5.94%

1.88%

0.63%

12.81%

10~20小时

0.94%

7.19%

18.75%

8.13%

0.63%

35.63%

20~30小时

0%

0.63%

8.75%

6.88%

3.13%

19.38%

30小时以上

0.63%

0%

3.13%

12.19%

9.06%

25%

总计

5.31%

12.81%

39.06%

29.38%

13.44%

100%