| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 12654 |
81.7%
|
| 2 | I have already stopped smoking cigarettes | 1435 |
9.3%
|
| 3 | Yes | 1042 |
6.7%
|
| 4 | No | 353 |
2.3%
|
| Sysmiss | 473 |