| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
2%
|
| 2 | 3 |
1%
|
|
| 3 | 5 |
1.6%
|
|
| 4 | 11 |
3.6%
|
|
| 5 | 20 |
6.6%
|
|
| 6 | 32 |
10.5%
|
|
| 7 | 57 |
18.7%
|
|
| 8 | 58 |
19%
|
|
| 9 | 36 |
11.8%
|
|
| 10 | Very effective | 34 |
11.1%
|
| 11 | 43 |
14.1%
|
|
| Sysmiss | 2 |