| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 12 |
5.8%
|
| 2 | 13 |
6.3%
|
|
| 3 | 7 |
3.4%
|
|
| 4 | 13 |
6.3%
|
|
| 5 | 17 |
8.3%
|
|
| 6 | 19 |
9.2%
|
|
| 7 | 15 |
7.3%
|
|
| 8 | 14 |
6.8%
|
|
| 9 | 18 |
8.7%
|
|
| 10 | Very effective | 23 |
11.2%
|
| 11 | 55 |
26.7%
|
|
| Sysmiss | 16 |