| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
6.3%
|
| 2 | 6 |
5.4%
|
|
| 3 | 8 |
7.1%
|
|
| 4 | 13 |
11.6%
|
|
| 5 | 22 |
19.6%
|
|
| 6 | 11 |
9.8%
|
|
| 7 | 21 |
18.8%
|
|
| 8 | 9 |
8%
|
|
| 9 | 2 |
1.8%
|
|
| 10 | Very effective | 13 |
11.6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 145 |