| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
0.2%
|
| 3 | 4 |
0.9%
|
|
| 4 | 11 |
2.5%
|
|
| 5 | 16 |
3.6%
|
|
| 6 | 29 |
6.5%
|
|
| 7 | 53 |
12%
|
|
| 8 | 70 |
15.8%
|
|
| 9 | 30 |
6.8%
|
|
| 10 | Very effective | 5 |
1.1%
|
| 11 | Don't know | 0 |
0%
|
| NA | 224 |
50.6%
|