| Value | Category | Cases | |
|---|---|---|---|
| 0 | 95 |
96.9%
|
|
| 2 | 1 |
1%
|
|
| 21 | 1 |
1%
|
|
| 888 | Smokes product, but not every week | 1 |
1%
|
| 999 | Refused | 0 |
0%
|
| Sysmiss | 4419 |