| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1707 |
95.6%
|
| 2 | Did not smoke cigarettes | 30 |
1.7%
|
| 3 | Yes | 37 |
2.1%
|
| 4 | No | 12 |
0.7%
|
| Sysmiss | 84 |