| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3509 |
53.3%
|
| 2 | I don't smoke now | 1152 |
17.5%
|
| 3 | Yes | 1472 |
22.3%
|
| 4 | No | 454 |
6.9%
|
| Sysmiss | 73 |