| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1035 |
69.6%
|
| 2 | I have already stopped smoking cigarettes | 198 |
13.3%
|
| 3 | Yes | 219 |
14.7%
|
| 4 | No | 35 |
2.4%
|
| Sysmiss | 12 |