| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 10459 |
78.1%
|
| 2 | I don't smoke now | 1592 |
11.9%
|
| 3 | Yes | 1148 |
8.6%
|
| 4 | No | 193 |
1.4%
|
| Sysmiss | 105 |