| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 19 |
7.8%
|
| 2 | 16 |
6.6%
|
|
| 3 | 17 |
7%
|
|
| 4 | 14 |
5.8%
|
|
| 5 | 26 |
10.7%
|
|
| 6 | 24 |
9.9%
|
|
| 7 | 21 |
8.6%
|
|
| 8 | 25 |
10.3%
|
|
| 9 | 10 |
4.1%
|
|
| 10 | Very effective | 12 |
4.9%
|
| 11 | 59 |
24.3%
|
|
| Sysmiss | 15 |