| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3097 |
68.3%
|
| 2 | I don't smoke now | 973 |
21.5%
|
| 3 | Yes | 304 |
6.7%
|
| 4 | No | 159 |
3.5%
|
| Sysmiss | 71 |