| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 15 |
4.8%
|
| 2 | 18 |
5.8%
|
|
| 3 | 21 |
6.8%
|
|
| 4 | 33 |
10.6%
|
|
| 5 | 33 |
10.6%
|
|
| 6 | 27 |
8.7%
|
|
| 7 | 22 |
7.1%
|
|
| 8 | 22 |
7.1%
|
|
| 9 | 14 |
4.5%
|
|
| 10 | Very effective | 8 |
2.6%
|
| 11 | Don't know | 98 |
31.5%
|
| Sysmiss | 57 |