| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 140 |
3.7%
|
| 2 | Yes, a few times | 904 |
23.6%
|
| 3 | Yes, most of the time | 1332 |
34.8%
|
| 4 | Yes, all of the time | 1436 |
37.5%
|
| 99 | Refused | 17 |
0.4%
|
| Sysmiss | 316 |