| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 2651 |
67.6%
|
| 2 | Only one or two puffs | 604 |
15.4%
|
| 3 | 1 cigarette | 126 |
3.2%
|
| 4 | 2 to 5 cigarettes | 165 |
4.2%
|
| 5 | 6 to 15 cigarettes | 101 |
2.6%
|
| 6 | 16 to 25 cigarettes | 77 |
2%
|
| 7 | 26 to 99 cigarettes | 54 |
1.4%
|
| 8 | 100 cigarettes or more | 146 |
3.7%
|
| Sysmiss | 161 |