| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 592 |
52.2%
|
| 2 | 1 to 2 puffs | 165 |
14.5%
|
| 3 | 1 cigarette | 61 |
5.4%
|
| 4 | 2 to 5 cigarettes | 99 |
8.7%
|
| 5 | 6 to 15 cigarettes | 55 |
4.8%
|
| 6 | 16 to 25 cigarettes | 43 |
3.8%
|
| 7 | 26 to 99 cigarettes | 53 |
4.7%
|
| 8 | More than 100 cigarettes (5 packs or more) | 67 |
5.9%
|
| Sysmiss | 22 |