| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
2%
|
| 2 | 8 |
2.6%
|
|
| 3 | 9 |
3%
|
|
| 4 | 24 |
7.9%
|
|
| 5 | 37 |
12.2%
|
|
| 6 | 43 |
14.2%
|
|
| 7 | 41 |
13.5%
|
|
| 8 | 36 |
11.9%
|
|
| 9 | 27 |
8.9%
|
|
| 10 | Very effective | 17 |
5.6%
|
| 11 | 55 |
18.2%
|
|
| Sysmiss | 24 |