| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 972 |
66.7%
|
| 2 | Per unit | 88 |
6%
|
| 3 | Per pack | 66 |
4.5%
|
| 4 | I do not buy cigarettes | 332 |
22.8%
|
| Sysmiss | 23 |