| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 63 |
27%
|
| 2 | 20 |
8.6%
|
|
| 3 | 27 |
11.6%
|
|
| 4 | 19 |
8.2%
|
|
| 5 | 18 |
7.7%
|
|
| 6 | 14 |
6%
|
|
| 7 | 15 |
6.4%
|
|
| 8 | 12 |
5.2%
|
|
| 9 | 9 |
3.9%
|
|
| 10 | Very effective | 36 |
15.5%
|
| 11 | Don't know | 165 | |
| Sysmiss | 32 |