| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 15439 |
78.7%
|
| 2 | I have already stopped smoking cigarettes | 1728 |
8.8%
|
| 3 | Yes | 2110 |
10.8%
|
| 4 | No | 335 |
1.7%
|
| Sysmiss | 262 |