| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 5 |
2.2%
|
|
| 4 | 8 |
3.6%
|
|
| 5 | 13 |
5.8%
|
|
| 6 | 9 |
4%
|
|
| 7 | 13 |
5.8%
|
|
| 8 | 29 |
12.9%
|
|
| 9 | 32 |
14.3%
|
|
| 10 | Very effective | 17 |
7.6%
|
| 11 | Don't know | 98 |
43.8%
|
| Sysmiss | 11 |