| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 576 |
62.1%
|
| 2 | Per unit | 68 |
7.3%
|
| 3 | Per pack | 57 |
6.1%
|
| 4 | I do not buy cigarettes | 227 |
24.5%
|
| Sysmiss | 3 |