| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 15 |
4.2%
|
| 2 | 18 |
5%
|
|
| 3 | 26 |
7.3%
|
|
| 4 | 49 |
13.7%
|
|
| 5 | 85 |
23.7%
|
|
| 6 | 65 |
18.2%
|
|
| 7 | 50 |
14%
|
|
| 8 | 30 |
8.4%
|
|
| 9 | 10 |
2.8%
|
|
| 10 | Very effective | 10 |
2.8%
|
| 11 | Don't know | 118 | |
| Sysmiss | 2 |