| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 1 |
1.3%
|
|
| 3 | 3 |
4%
|
|
| 4 | 3 |
4%
|
|
| 5 | 3 |
4%
|
|
| 6 | 10 |
13.3%
|
|
| 7 | 11 |
14.7%
|
|
| 8 | 22 |
29.3%
|
|
| 9 | 15 |
20%
|
|
| 10 | Very effective | 7 |
9.3%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 63 |