| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 3987 |
73.7%
|
| 1 | yes, spontaneously | 140 |
2.6%
|
| 2 | yes, probed | 1286 |
23.8%
|
| 8 | not asked | 0 |
0%
|
| Sysmiss | 8 |