| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 4 | 1 |
1%
|
|
| 5 | 7 |
7.3%
|
|
| 6 | 15 |
15.6%
|
|
| 7 | 19 |
19.8%
|
|
| 8 | 32 |
33.3%
|
|
| 9 | 16 |
16.7%
|
|
| 10 | Very effective | 6 |
6.3%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 45 |