| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 4 |
1.2%
|
| 1 | Yes | 133 |
38.7%
|
| 2 | No, but expect to receive them in the next 3 months | 11 |
3.2%
|
| 3 | No | 196 |
57%
|
| Sysmiss | 33 |