| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 87946 |
72.6%
|
| 2 | I don't smoke now | 17236 |
14.2%
|
| 3 | Yes | 10242 |
8.5%
|
| 4 | No | 5650 |
4.7%
|
| Sysmiss | 966 |