| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
3%
|
| 2 | 9 |
9%
|
|
| 3 | 10 |
10%
|
|
| 4 | 20 |
20%
|
|
| 5 | 18 |
18%
|
|
| 6 | 18 |
18%
|
|
| 7 | 16 |
16%
|
|
| 8 | 4 |
4%
|
|
| 10 | Very effective | 2 |
2%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 96 |