| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
0.5%
|
| 2 | 3 |
1.6%
|
|
| 3 | 4 |
2.1%
|
|
| 4 | 11 |
5.9%
|
|
| 5 | 18 |
9.6%
|
|
| 6 | 26 |
13.9%
|
|
| 7 | 30 |
16%
|
|
| 8 | 50 |
26.7%
|
|
| 9 | 35 |
18.7%
|
|
| 10 | Very effective | 9 |
4.8%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 23 |