| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 7 |
3%
|
| 2 | 6 |
2.6%
|
|
| 3 | 9 |
3.9%
|
|
| 4 | 8 |
3.5%
|
|
| 5 | 21 |
9.1%
|
|
| 6 | 23 |
10%
|
|
| 7 | 32 |
13.9%
|
|
| 8 | 47 |
20.3%
|
|
| 9 | 23 |
10%
|
|
| 10 | Very effective | 12 |
5.2%
|
| 11 | Don't know | 43 |
18.6%
|
| Sysmiss | 17 |