| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 2 |
0.1%
|
| -7 | DONT' KNOW | 21 |
0.7%
|
| 1 | MENTHOL | 1687 |
54.4%
|
| 2 | NON-MENTHOL | 1391 |
44.9%
|
| Sysmiss | 15365 |