| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 2 |
2.4%
|
|
| 3 | 7 |
8.4%
|
|
| 4 | 2 |
2.4%
|
|
| 5 | 10 |
12%
|
|
| 6 | 16 |
19.3%
|
|
| 7 | 21 |
25.3%
|
|
| 8 | 10 |
12%
|
|
| 9 | 10 |
12%
|
|
| 10 | Very effective | 5 |
6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 55 |