| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4238 |
70.3%
|
| 2 | I have already stopped smoking cigarettes | 488 |
8.1%
|
| 3 | Yes | 1155 |
19.2%
|
| 4 | No | 146 |
2.4%
|
| Sysmiss | 17 |