| Value | Category | Cases | |
|---|---|---|---|
| 1 | No, never | 3220 |
84.1%
|
| 2 | Yes, a few times | 181 |
4.7%
|
| 3 | Yes, most of the time | 180 |
4.7%
|
| 4 | Yes, all of the time | 209 |
5.5%
|
| 99 | Refused | 39 |
1%
|
| Sysmiss | 316 |