| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
2.9%
|
| 2 | 2 |
2.9%
|
|
| 3 | 5 |
7.1%
|
|
| 4 | 5 |
7.1%
|
|
| 5 | 8 |
11.4%
|
|
| 6 | 6 |
8.6%
|
|
| 7 | 15 |
21.4%
|
|
| 8 | 14 |
20%
|
|
| 9 | 11 |
15.7%
|
|
| 10 | Very effective | 2 |
2.9%
|
| 11 | N/A | 53 | |
| Sysmiss | 20 |