| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1922 |
84.3%
|
| 2 | Did not smoke cigarettes | 101 |
4.4%
|
| 3 | Yes | 132 |
5.8%
|
| 4 | No | 125 |
5.5%
|
| Sysmiss | 464 |