| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never or hardly ever | 1102 |
97%
|
| 2 | In some lessons | 12 |
1.1%
|
| 3 | In most lessons | 1 |
0.1%
|
| 4 | In every lesson | 0 |
0%
|
| 99 | I don't know | 21 |
1.8%
|
| Sysmiss | 1519 |