| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
11.1%
|
| 2 | 3 |
6.7%
|
|
| 3 | 2 |
4.4%
|
|
| 4 | 3 |
6.7%
|
|
| 5 | 7 |
15.6%
|
|
| 6 | 5 |
11.1%
|
|
| 7 | 3 |
6.7%
|
|
| 8 | 9 |
20%
|
|
| 9 | 8 |
17.8%
|
|
| 10 | Very effective | 0 |
0%
|
| 11 | Don't know | 66 | |
| Sysmiss | 32 |