| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1839 |
49.6%
|
| 2 | I have already stopped smoking cigarettes | 712 |
19.2%
|
| 3 | Yes | 1039 |
28.1%
|
| 4 | No | 114 |
3.1%
|
| Sysmiss | 25 |