| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 631 |
56.6%
|
| 2 | 1 to 2 puffs | 150 |
13.5%
|
| 3 | 1 cigarette | 56 |
5%
|
| 4 | 2 to 5 cigarettes | 83 |
7.5%
|
| 5 | 6 to 15 cigarettes | 55 |
4.9%
|
| 6 | 16 to 25 cigarettes | 43 |
3.9%
|
| 7 | 26 to 99 cigarettes | 35 |
3.1%
|
| 8 | More than 100 cigarettes (5 packs or more) | 61 |
5.5%
|
| Sysmiss | 23 |