| Value | Category | Cases | |
|---|---|---|---|
| -1000 | Does not apply (SPONTANEOUS) | 98 |
21.9%
|
| -9 | Don’t know (SPONTANEOUS) | 0 |
0%
|
| 1 | yes | 240 |
53.7%
|
| 2 | No | 109 |
24.4%
|
| Sysmiss | 224 |