| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 4 |
2.6%
|
|
| 3 | 4 |
2.6%
|
|
| 4 | 6 |
3.9%
|
|
| 5 | 13 |
8.4%
|
|
| 6 | 13 |
8.4%
|
|
| 7 | 13 |
8.4%
|
|
| 8 | 34 |
21.9%
|
|
| 9 | 30 |
19.4%
|
|
| 10 | Very effective | 24 |
15.5%
|
| 11 | Don’t know | 14 |
9%
|
| Sysmiss | 10 |