| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 3 |
1%
|
|
| 3 | 8 |
2.7%
|
|
| 4 | 20 |
6.8%
|
|
| 5 | 56 |
19%
|
|
| 6 | 33 |
11.2%
|
|
| 7 | 47 |
15.9%
|
|
| 8 | 29 |
9.8%
|
|
| 9 | 10 |
3.4%
|
|
| 10 | Very effective | 10 |
3.4%
|
| 11 | 76 |
25.8%
|
|
| Sysmiss | 6 |