| Value | Category | Cases | |
|---|---|---|---|
| -99 | 9 |
3.8%
|
|
| 1 | Not effective at all | 7 |
2.9%
|
| 2 | 9 |
3.8%
|
|
| 3 | 10 |
4.2%
|
|
| 4 | 13 |
5.4%
|
|
| 5 | 34 |
14.2%
|
|
| 6 | 26 |
10.9%
|
|
| 7 | 25 |
10.5%
|
|
| 8 | 26 |
10.9%
|
|
| 9 | 5 |
2.1%
|
|
| 10 | Very effective | 13 |
5.4%
|
| 11 | Don't know | 62 |
25.9%
|
| Sysmiss | 5 |