| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7438 |
70.2%
|
| 2 | I have already stopped smoking cigarettes | 1268 |
12%
|
| 3 | Yes | 1454 |
13.7%
|
| 4 | No | 442 |
4.2%
|
| Sysmiss | 231 |