| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2433 |
78.8%
|
| 2 | I have already stopped smoking cigarettes | 261 |
8.5%
|
| 3 | Yes | 325 |
10.5%
|
| 4 | No | 68 |
2.2%
|
| Sysmiss | 31 |