| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 13 |
5.2%
|
| 2 | 11 |
4.4%
|
|
| 3 | 15 |
6%
|
|
| 4 | 19 |
7.6%
|
|
| 5 | 23 |
9.2%
|
|
| 6 | 19 |
7.6%
|
|
| 7 | 23 |
9.2%
|
|
| 8 | 29 |
11.6%
|
|
| 9 | 10 |
4%
|
|
| 10 | Very effective | 17 |
6.8%
|
| 11 | 72 |
28.7%
|
|
| Sysmiss | 13 |