| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
7.4%
|
| 2 | 5 |
4.1%
|
|
| 3 | 12 |
9.9%
|
|
| 4 | 20 |
16.5%
|
|
| 5 | 24 |
19.8%
|
|
| 6 | 18 |
14.9%
|
|
| 7 | 16 |
13.2%
|
|
| 8 | 7 |
5.8%
|
|
| 9 | 2 |
1.7%
|
|
| 10 | Very effective | 8 |
6.6%
|
| 11 | Don't know | 83 | |
| Sysmiss | 34 |