| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 6234 |
75.5%
|
| 2 | 0 times | 725 |
8.8%
|
| 3 | 1 to 3 times | 751 |
9.1%
|
| 4 | 4 times or more | 552 |
6.7%
|
| Sysmiss | 112 |