| Value | Category | Cases | |
|---|---|---|---|
| 0 | 91 |
92.9%
|
|
| 1 | 2 |
2%
|
|
| 888 | Smokes product, but not every week | 5 |
5.1%
|
| 999 | Refused | 0 |
0%
|
| Sysmiss | 4419 |