| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 36 |
6.3%
|
| 2 | Yes, a few times | 84 |
14.8%
|
| 3 | Yes, most of the time | 116 |
20.4%
|
| 4 | Yes, all of the time | 329 |
57.8%
|
| 99 | Refused | 4 |
0.7%
|
| Sysmiss | 1453 |