| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1535 |
88.1%
|
| 2 | I have already stopped smoking cigarettes | 94 |
5.4%
|
| 3 | Yes | 76 |
4.4%
|
| 4 | No | 38 |
2.2%
|
| Sysmiss | 4 |