| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 4333 |
80%
|
| 1 | yes, spontaneously | 140 |
2.6%
|
| 2 | yes, probed | 943 |
17.4%
|
| 8 | not asked | 0 |
0%
|
| Sysmiss | 5 |