| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 15 |
6.7%
|
| 2 | 3 |
1.3%
|
|
| 3 | 7 |
3.1%
|
|
| 4 | 13 |
5.8%
|
|
| 5 | 9 |
4%
|
|
| 6 | 15 |
6.7%
|
|
| 7 | 26 |
11.7%
|
|
| 8 | 32 |
14.3%
|
|
| 9 | 28 |
12.6%
|
|
| 10 | Very effective | 75 |
33.6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 119 |