| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1101 |
68.4%
|
| 2 | Per unit | 140 |
8.7%
|
| 3 | Per pack | 48 |
3%
|
| 4 | I do not buy cigarettes | 320 |
19.9%
|
| Sysmiss | 7 |