| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 10 |
6%
|
| 2 | 4 |
2.4%
|
|
| 3 | 8 |
4.8%
|
|
| 4 | 10 |
6%
|
|
| 5 | 11 |
6.6%
|
|
| 6 | 9 |
5.4%
|
|
| 7 | 4 |
2.4%
|
|
| 8 | 4 |
2.4%
|
|
| 9 | 5 |
3%
|
|
| 10 | Very effective | 5 |
3%
|
| 11 | Don't know | 97 |
58.1%
|
| 12 | Not applicable | 0 |
0%
|
| Sysmiss | 40 |