| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 15 |
6.2%
|
| 2 | 22 |
9.1%
|
|
| 3 | 41 |
16.9%
|
|
| 4 | 26 |
10.7%
|
|
| 5 | 27 |
11.1%
|
|
| 6 | 32 |
13.2%
|
|
| 7 | 20 |
8.2%
|
|
| 8 | 13 |
5.3%
|
|
| 9 | 14 |
5.8%
|
|
| 10 | Very effective | 33 |
13.6%
|
| 11 | Don't know | 44 | |
| Sysmiss | 16 |