| Value | Category | Cases | |
|---|---|---|---|
| 1 | Pupil have insufficient knowledge | 562 |
39.8%
|
| 2 | There is no too much material to cover | 427 |
30.2%
|
| 3 | Pupils no not have exercise | 5 |
0.4%
|
| 4 | Lack of textbooks | 119 |
8.4%
|
| 5 | Not been trained to teach this subject | 6 |
0.4%
|
| 6 | Other | 294 |
20.8%
|
| Sysmiss | 1717 |