| Value | Category | Cases | |
|---|---|---|---|
| 1 | Nobody smoked in my presence at that time | 543 |
32.2%
|
| 2 | 1 to 2 | 440 |
26.1%
|
| 3 | 3 to 4 | 183 |
10.8%
|
| 4 | 5 to 6 | 116 |
6.9%
|
| 5 | 7 | 405 |
24%
|
| Sysmiss | 13 |