| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 8 |
5.3%
|
| 2 | 7 |
4.7%
|
|
| 3 | 10 |
6.7%
|
|
| 4 | 14 |
9.3%
|
|
| 5 | 24 |
16%
|
|
| 6 | 25 |
16.7%
|
|
| 7 | 33 |
22%
|
|
| 8 | 26 |
17.3%
|
|
| 9 | 3 |
2%
|
|
| 10 | Very effective | 0 |
0%
|
| 11 | Don't know | 86 | |
| Sysmiss | 53 |