| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
11.7%
|
| 2 | 7 |
7.4%
|
|
| 3 | 1 |
1.1%
|
|
| 4 | 5 |
5.3%
|
|
| 5 | 7 |
7.4%
|
|
| 6 | 10 |
10.6%
|
|
| 7 | 10 |
10.6%
|
|
| 8 | 9 |
9.6%
|
|
| 9 | 9 |
9.6%
|
|
| 10 | Very effective | 8 |
8.5%
|
| 11 | Don't know | 17 |
18.1%
|
| Sysmiss | 70 |