| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes with card | 489 |
46.5%
|
| 2 | Yes with exercise book | 31 |
2.9%
|
| 3 | Yes from NIDS | 3 |
0.3%
|
| 4 | Yes from memory | 254 |
24.2%
|
| 5 | No with card | 66 |
6.3%
|
| 6 | No with exercise book | 4 |
0.4%
|
| 7 | No from NIDS | 4 |
0.4%
|
| 8 | No from memory | 146 |
13.9%
|
| 9 | Don’t know | 54 |
5.1%
|
| Sysmiss | 1532 |