| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 13167 |
81.2%
|
| 2 | I did not smoke during the past year | 1341 |
8.3%
|
| 3 | Yes | 1081 |
6.7%
|
| 4 | No | 620 |
3.8%
|
| Sysmiss | 238 |