| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
0.8%
|
| 2 | 6 |
2.5%
|
|
| 3 | 7 |
2.9%
|
|
| 4 | 11 |
4.6%
|
|
| 5 | 9 |
3.8%
|
|
| 6 | 18 |
7.5%
|
|
| 7 | 15 |
6.3%
|
|
| 8 | 33 |
13.8%
|
|
| 9 | 26 |
10.8%
|
|
| 10 | Very effective | 57 |
23.8%
|
| 11 | 56 |
23.3%
|
|
| Sysmiss | 18 |