| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 104 |
2.7%
|
| 2 | Yes, a few times | 633 |
16.5%
|
| 3 | Yes, most of the time | 1364 |
35.6%
|
| 4 | Yes, all of the time | 1709 |
44.6%
|
| 99 | Refused | 19 |
0.5%
|
| Sysmiss | 316 |