| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
1.8%
|
| 2 | 3 |
2.7%
|
|
| 3 | 2 |
1.8%
|
|
| 4 | 22 |
19.8%
|
|
| 5 | 13 |
11.7%
|
|
| 6 | 20 |
18%
|
|
| 7 | 11 |
9.9%
|
|
| 8 | 23 |
20.7%
|
|
| 9 | 4 |
3.6%
|
|
| 10 | Very effective | 11 |
9.9%
|
| 11 | N/A | 84 | |
| Sysmiss | 27 |