| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 22 |
13.8%
|
| 2 | 10 |
6.3%
|
|
| 3 | 8 |
5%
|
|
| 4 | 12 |
7.5%
|
|
| 5 | 10 |
6.3%
|
|
| 6 | 10 |
6.3%
|
|
| 7 | 8 |
5%
|
|
| 8 | 7 |
4.4%
|
|
| 9 | 16 |
10%
|
|
| 10 | Very effective | 5 |
3.1%
|
| 11 | Don't know | 4 |
2.5%
|
| 12 | Not applicable | 48 |
30%
|
| Sysmiss | 47 |