| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
5.2%
|
| 2 | 3 |
5.2%
|
|
| 4 | 3 |
5.2%
|
|
| 5 | 3 |
5.2%
|
|
| 6 | 6 |
10.3%
|
|
| 7 | 5 |
8.6%
|
|
| 8 | 13 |
22.4%
|
|
| 9 | 14 |
24.1%
|
|
| 10 | Very effective | 8 |
13.8%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 106 |