| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 29 |
12.7%
|
| 2 | 16 |
7%
|
|
| 3 | 20 |
8.7%
|
|
| 4 | 15 |
6.6%
|
|
| 5 | 39 |
17%
|
|
| 6 | 30 |
13.1%
|
|
| 7 | 19 |
8.3%
|
|
| 8 | 27 |
11.8%
|
|
| 9 | 14 |
6.1%
|
|
| 10 | Very effective | 20 |
8.7%
|
| 11 | Don't know | 170 | |
| Sysmiss | 31 |