| Value | Category | Cases | |
|---|---|---|---|
| 1 | They are less harmful | 263 |
8.9%
|
| 2 | They are more harmful | 498 |
16.9%
|
| 3 | There is no difference | 365 |
12.4%
|
| 4 | I don’t know | 1828 |
61.9%
|
| Sysmiss | 9 |