| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 1 |
0.6%
|
|
| 3 | 3 |
1.7%
|
|
| 4 | 15 |
8.6%
|
|
| 5 | 14 |
8%
|
|
| 6 | 15 |
8.6%
|
|
| 7 | 44 |
25.1%
|
|
| 8 | 65 |
37.1%
|
|
| 9 | 14 |
8%
|
|
| 10 | Very effective | 4 |
2.3%
|
| 11 | Don't know | 172 | |
| Sysmiss | 13 |