| Value | Category | Cases | |
|---|---|---|---|
| -99 | 6 |
3.7%
|
|
| 1 | Not effective at all | 5 |
3.1%
|
| 2 | 9 |
5.5%
|
|
| 3 | 9 |
5.5%
|
|
| 4 | 8 |
4.9%
|
|
| 5 | 16 |
9.8%
|
|
| 6 | 10 |
6.1%
|
|
| 7 | 23 |
14.1%
|
|
| 8 | 12 |
7.4%
|
|
| 9 | 6 |
3.7%
|
|
| 10 | Very effective | 5 |
3.1%
|
| 11 | Don't know | 54 |
33.1%
|
| Sysmiss | 4 |