| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 3 |
0.2%
|
| 1 | 1 day per week | 32 |
2.2%
|
| 2 | 2 days per week | 251 |
17.2%
|
| 3 | 3 days per week | 26 |
1.8%
|
| 4 | 4 days per week | 3 |
0.2%
|
| 5 | 5 days per week | 18 |
1.2%
|
| 9 | No teacher t/book | 1128 |
77.2%
|
| Sysmiss | 291 |