| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2974 |
90.4%
|
| 2 | I don't smoke now | 144 |
4.4%
|
| 3 | Yes | 44 |
1.3%
|
| 4 | No | 127 |
3.9%
|
| Sysmiss | 24 |