| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4031 |
66.8%
|
| 2 | I have already stopped smoking cigarettes | 630 |
10.4%
|
| 3 | Yes | 963 |
16%
|
| 4 | No | 406 |
6.7%
|
| Sysmiss | 283 |