| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes with card | 301 |
35.7%
|
| 2 | Yes with exercise book | 36 |
4.3%
|
| 3 | Yes from NIDS | 2 |
0.2%
|
| 4 | Yes from memory | 205 |
24.3%
|
| 5 | No with card | 104 |
12.3%
|
| 6 | No with exercise book | 10 |
1.2%
|
| 7 | No from NIDS | 1 |
0.1%
|
| 8 | No from memory | 139 |
16.5%
|
| 9 | Don’t know | 45 |
5.3%
|
| Sysmiss | 1560 |