| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 26 |
6.9%
|
| 2 | 26 |
6.9%
|
|
| 3 | 44 |
11.7%
|
|
| 4 | 45 |
12%
|
|
| 5 | 59 |
15.7%
|
|
| 6 | 61 |
16.2%
|
|
| 7 | 45 |
12%
|
|
| 8 | 39 |
10.4%
|
|
| 9 | 22 |
5.9%
|
|
| 10 | Very effective | 9 |
2.4%
|
| 11 | Don't know | 119 | |
| Sysmiss | 10 |