| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 146 |
3.8%
|
| 2 | Yes, a few times | 482 |
12.6%
|
| 3 | Yes, most of the time | 1254 |
32.8%
|
| 4 | Yes, all of the time | 1929 |
50.4%
|
| 99 | Refused | 18 |
0.5%
|
| Sysmiss | 316 |