| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
3.6%
|
| 2 | 1 |
3.6%
|
|
| 3 | 4 |
14.3%
|
|
| 5 | 6 |
21.4%
|
|
| 6 | 6 |
21.4%
|
|
| 7 | 1 |
3.6%
|
|
| 8 | 2 |
7.1%
|
|
| 9 | 5 |
17.9%
|
|
| 10 | Very effective | 2 |
7.1%
|
| 11 | N/A | 94 | |
| Sysmiss | 21 |