| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
2.3%
|
| 2 | 12 |
4.6%
|
|
| 3 | 11 |
4.2%
|
|
| 4 | 17 |
6.5%
|
|
| 5 | 23 |
8.8%
|
|
| 6 | 15 |
5.7%
|
|
| 7 | 17 |
6.5%
|
|
| 8 | 29 |
11.1%
|
|
| 9 | 8 |
3.1%
|
|
| 10 | Very effective | 21 |
8%
|
| 11 | Don't know | 102 |
39.1%
|
| Sysmiss | 6 |