| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked | 2115 |
81.1%
|
| 2 | I succeeded in making it | 279 |
10.7%
|
| 3 | Yes | 115 |
4.4%
|
| 4 | No | 98 |
3.8%
|
| Sysmiss | 19 |