| Value | Category | Cases | |
|---|---|---|---|
| 0 | Other source | 0 |
0%
|
| 1 | At home | 0 |
0%
|
| 2 | 15 |
100%
|
|
| 8 | Don't know | 0 |
0%
|
| 9 | Missing | 0 | |
| Sysmiss | 23023 |