| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
1.3%
|
| 2 | 3 |
1%
|
|
| 3 | 11 |
3.6%
|
|
| 4 | 18 |
5.9%
|
|
| 5 | 18 |
5.9%
|
|
| 6 | 24 |
7.9%
|
|
| 7 | 39 |
12.8%
|
|
| 8 | 41 |
13.4%
|
|
| 9 | 31 |
10.2%
|
|
| 10 | Very effective | 59 |
19.3%
|
| 11 | 57 |
18.7%
|
|
| Sysmiss | 22 |