| Value | Category | Cases | |
|---|---|---|---|
| 1 | Pupil have insufficient knowledge | 336 |
48.6%
|
| 2 | There is no too much material to cover | 209 |
30.2%
|
| 3 | Pupils no not have exercise | 2 |
0.3%
|
| 4 | Lack of textbooks | 29 |
4.2%
|
| 5 | Not been trained to teach this subject | 2 |
0.3%
|
| 6 | Other | 114 |
16.5%
|
| Sysmiss | 2438 |