| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 728 |
62.2%
|
| 2 | Occasionally | 204 |
17.4%
|
| 3 | Often | 28 |
2.4%
|
| 4 | Quite often | 23 |
2%
|
| 5 | I have never smoked | 188 |
16.1%
|
| Sysmiss | 5 |