| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 6260 |
71.3%
|
| 2 | I don't smoke now | 721 |
8.2%
|
| 3 | Yes | 1640 |
18.7%
|
| 4 | No | 159 |
1.8%
|
| Sysmiss | 9 |