| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | Never | 1487 | 1496 |
78.7%
|
| 1 | Sometimes | 386 | 382 |
20.1%
|
| 2 | Always | 22 | 24 |
1.2%
|
| 88 | 392 | 386 | ||
| 98 | 12 | 10 | ||
| 99 | 6 | 6 | ||
| Sysmiss | 18 | 20 |