| Value | Category | Cases | |
|---|---|---|---|
| 1 | Definitely not | 110 |
4.5%
|
| 2 | It may not harmful | 224 |
9.2%
|
| 3 | It may be harmful | 493 |
20.2%
|
| 4 | Definitely yes | 1619 |
66.2%
|
| Sysmiss | 12 |