| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
8.9%
|
| 2 | 12 |
9.7%
|
|
| 3 | 6 |
4.8%
|
|
| 4 | 14 |
11.3%
|
|
| 5 | 15 |
12.1%
|
|
| 6 | 23 |
18.5%
|
|
| 7 | 14 |
11.3%
|
|
| 8 | 13 |
10.5%
|
|
| 9 | 7 |
5.6%
|
|
| 10 | Very effective | 9 |
7.3%
|
| 11 | Don't know | 131 | |
| Sysmiss | 71 |