| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 19 |
7.3%
|
| 2 | 14 |
5.4%
|
|
| 3 | 17 |
6.5%
|
|
| 4 | 29 |
11.2%
|
|
| 5 | 23 |
8.8%
|
|
| 6 | 35 |
13.5%
|
|
| 7 | 15 |
5.8%
|
|
| 8 | 16 |
6.2%
|
|
| 9 | 10 |
3.8%
|
|
| 10 | Very effective | 13 |
5%
|
| 11 | Don't know | 69 |
26.5%
|
| Sysmiss | 45 |