| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 23 |
8.9%
|
| 2 | 16 |
6.2%
|
|
| 3 | 20 |
7.7%
|
|
| 4 | 24 |
9.3%
|
|
| 5 | 25 |
9.7%
|
|
| 6 | 18 |
6.9%
|
|
| 7 | 21 |
8.1%
|
|
| 8 | 5 |
1.9%
|
|
| 9 | 7 |
2.7%
|
|
| 10 | Very effective | 17 |
6.6%
|
| 11 | Don't know | 83 |
32%
|
| Sysmiss | 46 |