| Value | Category | Cases | |
|---|---|---|---|
| 1 | I don't smoke | 1773 |
90%
|
| 2 | Yes I am | 88 |
4.5%
|
| 3 | no | 31 |
1.6%
|
| 4 | I don't know | 77 |
3.9%
|
| Sysmiss | 59 |