| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nobody smoked in my presence at that time | 442 |
28%
|
| 2 | 1 to 2 | 395 |
25%
|
| 3 | 3 to 4 | 274 |
17.4%
|
| 4 | 5 to 6 | 118 |
7.5%
|
| 5 | 7 | 348 |
22.1%
|
| Sysmiss | 17 |