| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1056 |
58.7%
|
| 2 | Per unit | 121 |
6.7%
|
| 3 | Per pack | 231 |
12.8%
|
| 4 | I do not buy cigarettes | 390 |
21.7%
|
| Sysmiss | 3 |