| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 6640 |
66.5%
|
| 2 | I don't smoke now | 1074 |
10.8%
|
| 3 | Yes | 2004 |
20.1%
|
| 4 | No | 265 |
2.7%
|
| Sysmiss | 9 |