| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2929 |
83.5%
|
| 2 | I don't smoke now | 390 |
11.1%
|
| 3 | Yes | 112 |
3.2%
|
| 4 | No | 78 |
2.2%
|
| Sysmiss | 6 |