| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 9630 |
82.5%
|
| 2 | I did not smoke during the past year | 524 |
4.5%
|
| 3 | Yes | 802 |
6.9%
|
| 4 | No | 716 |
6.1%
|
| Sysmiss | 96 |