| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 12 |
9%
|
| 2 | 6 |
4.5%
|
|
| 3 | 11 |
8.2%
|
|
| 4 | 13 |
9.7%
|
|
| 5 | 26 |
19.4%
|
|
| 6 | 15 |
11.2%
|
|
| 7 | 9 |
6.7%
|
|
| 8 | 25 |
18.7%
|
|
| 9 | 2 |
1.5%
|
|
| 10 | Very effective | 15 |
11.2%
|
| 11 | Don't know | 123 | |
| Sysmiss | 69 |