| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 19 |
7.6%
|
| 2 | 15 |
6%
|
|
| 3 | 15 |
6%
|
|
| 4 | 16 |
6.4%
|
|
| 5 | 40 |
16%
|
|
| 6 | 25 |
10%
|
|
| 7 | 32 |
12.8%
|
|
| 8 | 18 |
7.2%
|
|
| 9 | 6 |
2.4%
|
|
| 10 | Very effective | 14 |
5.6%
|
| 11 | 50 |
20%
|
|
| Sysmiss | 14 |