| Value | Category | Cases | |
|---|---|---|---|
| 0 | 956 |
99.8%
|
|
| 1 | 1 |
0.1%
|
|
| 4 | 1 |
0.1%
|
|
| 888 | Smokes product, but not every day | 0 |
0%
|
| 999 | Refused | 0 |
0%
|
| Sysmiss | 3559 |