| Value | Category | Cases | |
|---|---|---|---|
| 1 | none of them smoke | 495 |
33.6%
|
| 2 | some of them smoke | 790 |
53.6%
|
| 3 | most of them smoke | 146 |
9.9%
|
| 4 | all of them smoke | 42 |
2.9%
|
| Sysmiss | 19 |