| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 6 |
6.7%
|
|
| 3 | 13 |
14.4%
|
|
| 4 | 12 |
13.3%
|
|
| 5 | 20 |
22.2%
|
|
| 6 | 11 |
12.2%
|
|
| 7 | 10 |
11.1%
|
|
| 8 | 14 |
15.6%
|
|
| 9 | 3 |
3.3%
|
|
| 10 | Very effective | 1 |
1.1%
|
| 11 | Don't know | 77 | |
| Sysmiss | 27 |