| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes with card | 253 |
30%
|
| 2 | Yes with exercise book | 28 |
3.3%
|
| 3 | Yes from NIDS | 2 |
0.2%
|
| 4 | Yes from memory | 210 |
24.9%
|
| 5 | No with card | 144 |
17.1%
|
| 6 | No with exercise book | 19 |
2.3%
|
| 7 | No from NIDS | 2 |
0.2%
|
| 8 | No from memory | 147 |
17.4%
|
| 9 | Don’t know | 38 |
4.5%
|
| Sysmiss | 1560 |