| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
2.6%
|
| 2 | 6 |
3.1%
|
|
| 3 | 5 |
2.6%
|
|
| 4 | 7 |
3.6%
|
|
| 5 | 33 |
16.8%
|
|
| 6 | 25 |
12.8%
|
|
| 7 | 33 |
16.8%
|
|
| 8 | 32 |
16.3%
|
|
| 9 | 18 |
9.2%
|
|
| 10 | Very effective | 32 |
16.3%
|
| 11 | Don’t know | 0 |
0%
|
| Sysmiss | 30 |