| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 11 |
3.6%
|
|
| 3 | 11 |
3.6%
|
|
| 4 | 29 |
9.4%
|
|
| 5 | 52 |
16.8%
|
|
| 6 | 48 |
15.5%
|
|
| 7 | 41 |
13.3%
|
|
| 8 | 44 |
14.2%
|
|
| 9 | 18 |
5.8%
|
|
| 10 | Very effective | 22 |
7.1%
|
| 11 | Don’t know | 21 |
6.8%
|
| Sysmiss | 9 |
2.9%
|