| Value | Category | Cases | |
|---|---|---|---|
| 0 | 243 |
98%
|
|
| 2 | 1 |
0.4%
|
|
| 6 | 1 |
0.4%
|
|
| 888 | SMOKES PRODUCT BUT NOT EVERY DAY | 1 |
0.4%
|
| 999 | REFUSED | 2 |
0.8%
|
| Sysmiss | 4099 |