| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 24 |
16.7%
|
| 2 | 16 |
11.1%
|
|
| 3 | 11 |
7.6%
|
|
| 4 | 13 |
9%
|
|
| 5 | 9 |
6.3%
|
|
| 6 | 11 |
7.6%
|
|
| 7 | 15 |
10.4%
|
|
| 8 | 11 |
7.6%
|
|
| 9 | 7 |
4.9%
|
|
| 10 | Very effective | 27 |
18.8%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 198 |