| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
0.6%
|
| 2 | 1 |
0.6%
|
|
| 3 | 10 |
5.6%
|
|
| 4 | 15 |
8.5%
|
|
| 5 | 29 |
16.4%
|
|
| 6 | 14 |
7.9%
|
|
| 7 | 28 |
15.8%
|
|
| 8 | 28 |
15.8%
|
|
| 9 | 26 |
14.7%
|
|
| 10 | Very effective | 25 |
14.1%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 83 |