| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1902 |
82.8%
|
| 2 | No | 129 |
5.6%
|
| 3 | One to three times | 155 |
6.7%
|
| 4 | Four times or more | 111 |
4.8%
|
| Sysmiss | 16 |