| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2239 |
48.3%
|
| 2 | I have already stopped smoking cigarettes | 1054 |
22.7%
|
| 3 | Yes | 1176 |
25.4%
|
| 4 | No | 165 |
3.6%
|
| Sysmiss | 62 |