| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
2.6%
|
| 2 | 5 |
2.6%
|
|
| 3 | 8 |
4.2%
|
|
| 4 | 9 |
4.8%
|
|
| 5 | 11 |
5.8%
|
|
| 6 | 14 |
7.4%
|
|
| 7 | 14 |
7.4%
|
|
| 8 | 21 |
11.1%
|
|
| 9 | 4 |
2.1%
|
|
| 10 | Very effective | 13 |
6.9%
|
| 11 | Don't know | 85 |
45%
|
| Sysmiss | 12 |