| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 19 |
3.3%
|
| 2 | Yes, a few times | 61 |
10.7%
|
| 3 | Yes, most of the time | 119 |
20.9%
|
| 4 | Yes, all of the time | 366 |
64.3%
|
| 99 | Refused | 4 |
0.7%
|
| Sysmiss | 1453 |