| Value | Category | Cases | |
|---|---|---|---|
| 1 | Pupil have insufficient knowledge | 335 |
48.3%
|
| 2 | There is no too much material to cover | 194 |
28%
|
| 3 | Pupils no not have exercise | 2 |
0.3%
|
| 4 | Lack of textbooks | 47 |
6.8%
|
| 5 | Not been trained to teach this subject | 2 |
0.3%
|
| 6 | Other | 114 |
16.4%
|
| Sysmiss | 2436 |