| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes with card | 423 |
49.2%
|
| 2 | Yes with exercise book | 35 |
4.1%
|
| 3 | Yes from nids | 3 |
0.3%
|
| 4 | Yes from memory | 190 |
22.1%
|
| 5 | No with card | 75 |
8.7%
|
| 6 | No with exercise book | 15 |
1.7%
|
| 7 | No from nids | 1 |
0.1%
|
| 8 | No from memory | 84 |
9.8%
|
| 9 | Don’t know | 34 |
4%
|
| Sysmiss | 1525 |