| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
6.4%
|
| 2 | 10 |
5.8%
|
|
| 3 | 16 |
9.2%
|
|
| 4 | 7 |
4%
|
|
| 5 | 26 |
15%
|
|
| 6 | 13 |
7.5%
|
|
| 7 | 16 |
9.2%
|
|
| 8 | 17 |
9.8%
|
|
| 9 | 5 |
2.9%
|
|
| 10 | Very effective | 12 |
6.9%
|
| 11 | Don't know | 40 |
23.1%
|
| 12 | Not applicable | 0 |
0%
|
| Sysmiss | 34 |