| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2793 |
75.4%
|
| 2 | I have already stopped smoking cigarettes | 460 |
12.4%
|
| 3 | Yes | 420 |
11.3%
|
| 4 | No | 30 |
0.8%
|
| Sysmiss | 27 |