| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
5.3%
|
| 2 | 2 |
1.5%
|
|
| 3 | 3 |
2.3%
|
|
| 4 | 8 |
6%
|
|
| 5 | 21 |
15.8%
|
|
| 6 | 19 |
14.3%
|
|
| 7 | 29 |
21.8%
|
|
| 8 | 27 |
20.3%
|
|
| 9 | 10 |
7.5%
|
|
| 10 | Very effective | 7 |
5.3%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 121 |