| Value | Category | Cases | |
|---|---|---|---|
| 1 | No effect | 2 |
1.5%
|
| 2 | Little effect | 72 |
54.5%
|
| 3 | Some effect | 38 |
28.8%
|
| 4 | Large effect | 16 |
12.1%
|
| 5 | Fatal effects | 1 |
0.8%
|
| 6 | Don't know | 3 |
2.3%
|