| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2517 |
68.4%
|
| 2 | I have already stopped smoking cigarettes | 541 |
14.7%
|
| 3 | Yes | 385 |
10.5%
|
| 4 | No | 238 |
6.5%
|
| Sysmiss | 90 |