| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes with card | 362 |
42%
|
| 2 | Yes with exercise book | 32 |
3.7%
|
| 3 | Yes from nids | 0 |
0%
|
| 4 | Yes from memory | 191 |
22.2%
|
| 5 | No with card | 134 |
15.6%
|
| 6 | No with exercise book | 17 |
2%
|
| 7 | No from nids | 1 |
0.1%
|
| 8 | No from memory | 93 |
10.8%
|
| 9 | Don’t know | 31 |
3.6%
|
| Sysmiss | 1524 |