| Value | Category | Cases | |
|---|---|---|---|
| 1 | Positvely | 896 |
3.1%
|
| 2 | Negatively | 4167 |
14.3%
|
| 3 | No effect | 20694 |
71.1%
|
| 4 | Refused | 3345 |
11.5%
|