| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
3%
|
| 2 | 10 |
7.5%
|
|
| 3 | 14 |
10.4%
|
|
| 4 | 8 |
6%
|
|
| 5 | 23 |
17.2%
|
|
| 6 | 19 |
14.2%
|
|
| 7 | 19 |
14.2%
|
|
| 8 | 17 |
12.7%
|
|
| 9 | 11 |
8.2%
|
|
| 10 | Very effective | 9 |
6.7%
|
| 11 | Don't know | 70 | |
| Sysmiss | 34 |