| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1701 |
41.9%
|
| 2 | I have already stopped smoking cigarettes | 999 |
24.6%
|
| 3 | Yes | 1231 |
30.3%
|
| 4 | No | 133 |
3.3%
|
| Sysmiss | 27 |