| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
4.5%
|
| 2 | 14 |
6.9%
|
|
| 3 | 17 |
8.4%
|
|
| 4 | 13 |
6.4%
|
|
| 5 | 20 |
9.9%
|
|
| 6 | 18 |
8.9%
|
|
| 7 | 11 |
5.4%
|
|
| 8 | 25 |
12.4%
|
|
| 9 | 17 |
8.4%
|
|
| 10 | Very effective | 17 |
8.4%
|
| 11 | 41 |
20.3%
|
|
| Sysmiss | 20 |