| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 10 |
10.9%
|
| 2 | 5 |
5.4%
|
|
| 3 | 8 |
8.7%
|
|
| 4 | 7 |
7.6%
|
|
| 5 | 5 |
5.4%
|
|
| 6 | 8 |
8.7%
|
|
| 7 | 14 |
15.2%
|
|
| 8 | 10 |
10.9%
|
|
| 9 | 7 |
7.6%
|
|
| 10 | Very effective | 10 |
10.9%
|
| 11 | Don't know | 8 |
8.7%
|
| Sysmiss | 72 |