| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 4 |
2.1%
|
| 2 | 6 |
3.2%
|
|
| 3 | 9 |
4.8%
|
|
| 4 | 21 |
11.1%
|
|
| 5 | 23 |
12.2%
|
|
| 6 | 25 |
13.2%
|
|
| 7 | 20 |
10.6%
|
|
| 8 | 27 |
14.3%
|
|
| 9 | 11 |
5.8%
|
|
| 10 | Very effective | 6 |
3.2%
|
| 11 | 37 |
19.6%
|
|
| Sysmiss | 13 |