| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 247 |
6.5%
|
| 2 | Yes, a few times | 442 |
11.5%
|
| 3 | Yes, most of the time | 1194 |
31.2%
|
| 4 | Yes, all of the time | 1924 |
50.2%
|
| 99 | Refused | 22 |
0.6%
|
| Sysmiss | 316 |