| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 4 |
2.6%
|
|
| 3 | 5 |
3.3%
|
|
| 4 | 11 |
7.2%
|
|
| 5 | 30 |
19.6%
|
|
| 6 | 48 |
31.4%
|
|
| 7 | 29 |
19%
|
|
| 8 | 10 |
6.5%
|
|
| 9 | 11 |
7.2%
|
|
| 10 | Very effective | 5 |
3.3%
|
| 11 | Don't know | 16 | |
| Sysmiss | 34 |