| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very effective | 682 |
8%
|
| 2 | Effective | 2067 |
24.2%
|
| 3 | Moderately effective | 2828 |
33%
|
| 4 | Poorly effective | 1902 |
22.2%
|
| 5 | Not effective at all | 1078 |
12.6%
|