| Value | Category | Cases | |
|---|---|---|---|
| 1 | None of them smoke | 1227 |
74.9%
|
| 2 | Some of them smoke | 357 |
21.8%
|
| 3 | Most of them smoke | 39 |
2.4%
|
| 4 | All of them smoke | 15 |
0.9%
|
| Sysmiss | 7 |