| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1674 |
71.4%
|
| 2 | I have already stopped smoking cigarettes | 229 |
9.8%
|
| 3 | Yes | 229 |
9.8%
|
| 4 | No | 214 |
9.1%
|
| Sysmiss | 69 |