| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
2%
|
| 2 | 13 |
3%
|
|
| 3 | 11 |
2.5%
|
|
| 4 | 20 |
4.5%
|
|
| 5 | 34 |
7.7%
|
|
| 6 | 27 |
6.1%
|
|
| 7 | 30 |
6.8%
|
|
| 8 | 38 |
8.6%
|
|
| 9 | 25 |
5.7%
|
|
| 10 | Very effective | 59 |
13.4%
|
| 11 | Don't know | 174 |
39.5%
|
| Sysmiss | 127 |