| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3527 |
85.6%
|
| 2 | I have already stopped smoking cigarettes | 264 |
6.4%
|
| 3 | Yes | 227 |
5.5%
|
| 4 | No | 103 |
2.5%
|
| Sysmiss | 75 |