| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 24 |
10.2%
|
| 2 | 6 |
2.5%
|
|
| 3 | 7 |
3%
|
|
| 4 | 10 |
4.2%
|
|
| 5 | 10 |
4.2%
|
|
| 6 | 10 |
4.2%
|
|
| 7 | 31 |
13.1%
|
|
| 8 | 27 |
11.4%
|
|
| 9 | 29 |
12.3%
|
|
| 10 | Very effective | 82 |
34.7%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 106 |