| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 14 |
6.8%
|
| 2 | 23 |
11.2%
|
|
| 3 | 9 |
4.4%
|
|
| 4 | 16 |
7.8%
|
|
| 5 | 19 |
9.2%
|
|
| 6 | 31 |
15%
|
|
| 7 | 31 |
15%
|
|
| 8 | 39 |
18.9%
|
|
| 9 | 10 |
4.9%
|
|
| 10 | Very effective | 14 |
6.8%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 234 |