| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 1 |
1.2%
|
|
| 4 | 1 |
1.2%
|
|
| 5 | 10 |
11.6%
|
|
| 6 | 14 |
16.3%
|
|
| 7 | 15 |
17.4%
|
|
| 8 | 25 |
29.1%
|
|
| 9 | 15 |
17.4%
|
|
| 10 | Very effective | 5 |
5.8%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 55 |