| Value | Category | Cases | |
|---|---|---|---|
| -99 | 4 |
1.7%
|
|
| 1 | Not effective at all | 4 |
1.7%
|
| 2 | 4 |
1.7%
|
|
| 3 | 4 |
1.7%
|
|
| 4 | 5 |
2.2%
|
|
| 5 | 14 |
6.1%
|
|
| 6 | 27 |
11.7%
|
|
| 7 | 26 |
11.3%
|
|
| 8 | 27 |
11.7%
|
|
| 9 | 16 |
6.9%
|
|
| 10 | Very effective | 22 |
9.5%
|
| 11 | Don't know | 78 |
33.8%
|
| Sysmiss | 6 |