| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 3 |
1.5%
|
|
| 3 | 1 |
0.5%
|
|
| 4 | 5 |
2.5%
|
|
| 5 | 6 |
3%
|
|
| 6 | 11 |
5.4%
|
|
| 7 | 19 |
9.4%
|
|
| 8 | 23 |
11.4%
|
|
| 9 | 19 |
9.4%
|
|
| 10 | Very effective | 20 |
9.9%
|
| 11 | Don't know | 95 |
47%
|
| Sysmiss | 24 |