| Value | Category | Cases | |
|---|---|---|---|
| 0 | no | 1118 |
20.6%
|
| 1 | yes, spontaneously | 3080 |
56.8%
|
| 2 | yes, probed | 1221 |
22.5%
|
| 8 | not asked | 0 |
0%
|
| Sysmiss | 2 |