| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
4.3%
|
| 2 | 5 |
3.1%
|
|
| 3 | 7 |
4.3%
|
|
| 4 | 9 |
5.6%
|
|
| 5 | 18 |
11.1%
|
|
| 6 | 13 |
8%
|
|
| 7 | 16 |
9.9%
|
|
| 8 | 11 |
6.8%
|
|
| 9 | 17 |
10.5%
|
|
| 10 | Very effective | 14 |
8.6%
|
| 11 | Don't know | 45 |
27.8%
|
| 12 | Not applicable | 0 |
0%
|
| Sysmiss | 45 |