| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2240 |
80.5%
|
| 2 | Did not smoke cigarettes | 161 |
5.8%
|
| 3 | Yes | 341 |
12.3%
|
| 4 | No | 40 |
1.4%
|
| Sysmiss | 92 |