| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1657 |
87.3%
|
| 2 | Did not smoke cigarettes | 69 |
3.6%
|
| 3 | Yes | 133 |
7%
|
| 4 | No | 39 |
2.1%
|
| Sysmiss | 140 |