| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 9418 |
81.3%
|
| 2 | I have already stopped smoking cigarettes | 1013 |
8.7%
|
| 3 | Yes | 967 |
8.3%
|
| 4 | No | 184 |
1.6%
|
| Sysmiss | 190 |