| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1141 |
93.4%
|
| 2 | Occasionally, but less than once a month | 46 |
3.8%
|
| 3 | some time each month, but less than on cigarette per week | 17 |
1.4%
|
| 4 | some time each week, but less than one cigarette per day | 11 |
0.9%
|
| 5 | every day at least on cigaretted | 6 |
0.5%
|
| Sysmiss | 9 |