| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 2 | 3 |
2.1%
|
| 3 | 3 | 3 |
2.1%
|
| 4 | 4 | 3 |
2.1%
|
| 5 | 5 | 20 |
14.3%
|
| 6 | 6 | 22 |
15.7%
|
| 7 | 7 | 20 |
14.3%
|
| 8 | 8 | 16 |
11.4%
|
| 9 | 9 | 12 |
8.6%
|
| 10 | Very effective | 14 |
10%
|
| 11 | Don't know | 27 |
19.3%
|
| Sysmiss | 6 |