| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 8 |
7.2%
|
| 2 | 10 |
9%
|
|
| 3 | 12 |
10.8%
|
|
| 4 | 18 |
16.2%
|
|
| 5 | 19 |
17.1%
|
|
| 6 | 10 |
9%
|
|
| 7 | 18 |
16.2%
|
|
| 8 | 9 |
8.1%
|
|
| 9 | 3 |
2.7%
|
|
| 10 | Very effective | 4 |
3.6%
|
| 11 | Don't know | 62 | |
| Sysmiss | 20 |