| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
2.5%
|
| 2 | 2 |
0.8%
|
|
| 3 | 12 |
5.1%
|
|
| 4 | 9 |
3.8%
|
|
| 5 | 18 |
7.6%
|
|
| 6 | 16 |
6.8%
|
|
| 7 | 11 |
4.7%
|
|
| 8 | 25 |
10.6%
|
|
| 9 | 25 |
10.6%
|
|
| 10 | Very effective | 36 |
15.3%
|
| 11 | 76 |
32.2%
|
|
| Sysmiss | 22 |