| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 685 |
59.5%
|
| 2 | None | 260 |
22.6%
|
| 3 | Some | 138 |
12%
|
| 4 | More than a half | 23 |
2%
|
| 5 | All or nearly all | 45 |
3.9%
|
| Sysmiss | 6 |