| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, always | 21 |
8.8%
|
| 2 | Yes, sometimes | 154 |
64.7%
|
| 3 | Never | 29 |
12.2%
|
| 9 | 34 |
14.3%
|
|
| Sysmiss | 50 |