| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoke | 2014 |
87.6%
|
| 2 | Ocassionaly but less once per month | 134 |
5.8%
|
| 3 | Sometimes during a month but less once a week | 45 |
2%
|
| 4 | Sometimes during a week but less once a day | 28 |
1.2%
|
| 5 | Everyday at least one cigarette a day | 79 |
3.4%
|
| Sysmiss | 13 |