| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 911 |
64.6%
|
| 2 | I have already stopped smoking cigarettes | 243 |
17.2%
|
| 3 | Yes | 234 |
16.6%
|
| 4 | No | 22 |
1.6%
|
| Sysmiss | 6 |