| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 4 |
0.9%
|
|
| 3 | 2 |
0.5%
|
|
| 4 | 9 |
2%
|
|
| 5 | 26 |
5.9%
|
|
| 6 | 32 |
7.2%
|
|
| 7 | 65 |
14.7%
|
|
| 8 | 84 |
19%
|
|
| 9 | 27 |
6.1%
|
|
| 10 | Very effective | 13 |
2.9%
|
| 11 | Don't know | 0 |
0%
|
| NA | 181 |
40.9%
|