| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 511 |
89.8%
|
| 2 | Yes, a few times | 28 |
4.9%
|
| 3 | Yes, most of the time | 15 |
2.6%
|
| 4 | Yes, all of the time | 12 |
2.1%
|
| 99 | Refused | 3 |
0.5%
|
| Sysmiss | 1453 |