| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 257 |
6.7%
|
| 2 | Yes, a few times | 782 |
20.4%
|
| 3 | Yes, most of the time | 1148 |
30%
|
| 4 | Yes, all of the time | 1613 |
42.1%
|
| 99 | Refused | 29 |
0.8%
|
| Sysmiss | 316 |