| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
1.9%
|
| 3 | 11 |
5.3%
|
|
| 4 | 8 |
3.8%
|
|
| 5 | 31 |
14.9%
|
|
| 6 | 23 |
11.1%
|
|
| 7 | 28 |
13.5%
|
|
| 8 | 42 |
20.2%
|
|
| 9 | 15 |
7.2%
|
|
| 10 | Very effective | 46 |
22.1%
|
| 11 | Don't know | 63 | |
| Sysmiss | 48 |