| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 11 |
3.7%
|
| 2 | 5 |
1.7%
|
|
| 3 | 8 |
2.7%
|
|
| 4 | 21 |
7%
|
|
| 5 | 37 |
12.3%
|
|
| 6 | 38 |
12.7%
|
|
| 7 | 51 |
17%
|
|
| 8 | 54 |
18%
|
|
| 9 | 19 |
6.3%
|
|
| 10 | Very effective | 56 |
18.7%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 205 |