| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 16 |
11.4%
|
| 2 | 6 |
4.3%
|
|
| 3 | 18 |
12.9%
|
|
| 4 | 11 |
7.9%
|
|
| 5 | 25 |
17.9%
|
|
| 6 | 22 |
15.7%
|
|
| 7 | 15 |
10.7%
|
|
| 8 | 17 |
12.1%
|
|
| 9 | 4 |
2.9%
|
|
| 10 | Very effective | 6 |
4.3%
|
| 11 | Don't know | 114 | |
| Sysmiss | 72 |