| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 22 |
6.3%
|
| 2 | Yes, a few times | 20 |
5.7%
|
| 3 | Yes, most of the time | 105 |
30.1%
|
| 4 | Yes, all of the time | 193 |
55.3%
|
| 99 | Refused | 9 |
2.6%
|
| Sysmiss | 55 |