| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
3.6%
|
| 2 | 8 |
4.8%
|
|
| 3 | 19 |
11.3%
|
|
| 4 | 12 |
7.1%
|
|
| 5 | 34 |
20.2%
|
|
| 6 | 18 |
10.7%
|
|
| 7 | 32 |
19%
|
|
| 8 | 20 |
11.9%
|
|
| 9 | 11 |
6.5%
|
|
| 10 | Very effective | 8 |
4.8%
|
| 11 | Don't know | 54 | |
| Sysmiss | 40 |