| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 24 |
9.7%
|
| 2 | 18 |
7.3%
|
|
| 3 | 16 |
6.5%
|
|
| 4 | 19 |
7.7%
|
|
| 5 | 14 |
5.6%
|
|
| 6 | 21 |
8.5%
|
|
| 7 | 17 |
6.9%
|
|
| 8 | 24 |
9.7%
|
|
| 9 | 13 |
5.2%
|
|
| 10 | Very effective | 19 |
7.7%
|
| 11 | 63 |
25.4%
|
|
| Sysmiss | 10 |