| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2816 |
79.5%
|
| 2 | I don't smoke now | 327 |
9.2%
|
| 3 | Yes | 285 |
8.1%
|
| 4 | No | 112 |
3.2%
|
| Sysmiss | 101 |