| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. No effect | 14 |
28.6%
|
| 2 | 2. Small | 12 |
24.5%
|
| 3 | 3. Moderate | 6 |
12.2%
|
| 4 | 4. Large | 16 |
32.7%
|
| 9 | 9. Don't know | 1 |
2%
|
| Sysmiss | 950 |