| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 10 |
5%
|
| 2 | 17 |
8.5%
|
|
| 3 | 9 |
4.5%
|
|
| 4 | 9 |
4.5%
|
|
| 5 | 23 |
11.4%
|
|
| 6 | 19 |
9.5%
|
|
| 7 | 15 |
7.5%
|
|
| 8 | 26 |
12.9%
|
|
| 9 | 24 |
11.9%
|
|
| 10 | Very effective | 21 |
10.4%
|
| 11 | 28 |
13.9%
|
|
| Sysmiss | 21 |