| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
2.7%
|
| 2 | 6 |
3.2%
|
|
| 3 | 18 |
9.6%
|
|
| 4 | 11 |
5.9%
|
|
| 5 | 28 |
14.9%
|
|
| 6 | 20 |
10.6%
|
|
| 7 | 13 |
6.9%
|
|
| 8 | 19 |
10.1%
|
|
| 9 | 4 |
2.1%
|
|
| 10 | Very effective | 11 |
5.9%
|
| 11 | 53 |
28.2%
|
|
| Sysmiss | 14 |