| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
1.7%
|
| 2 | 4 |
1.3%
|
|
| 3 | 9 |
3%
|
|
| 4 | 24 |
7.9%
|
|
| 5 | 38 |
12.5%
|
|
| 6 | 47 |
15.5%
|
|
| 7 | 38 |
12.5%
|
|
| 8 | 34 |
11.2%
|
|
| 9 | 20 |
6.6%
|
|
| 10 | Very effective | 13 |
4.3%
|
| 11 | 71 |
23.4%
|
|
| Sysmiss | 24 |