| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 7 |
6.9%
|
| 1 | Yes | 59 |
58.4%
|
| 2 | No, but expect to receive them in the next 3 months | 2 |
2%
|
| 3 | No | 33 |
32.7%
|
| Sysmiss | 124 |