| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
4.1%
|
| 3 | 2 |
4.1%
|
|
| 4 | 1 |
2%
|
|
| 5 | 5 |
10.2%
|
|
| 6 | 8 |
16.3%
|
|
| 7 | 5 |
10.2%
|
|
| 8 | 8 |
16.3%
|
|
| 9 | 9 |
18.4%
|
|
| 10 | Very effective | 9 |
18.4%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 60 |