| Value | Category | Cases | |
|---|---|---|---|
| 1 | Highly effective | 5842 |
30%
|
| 2 | Effective | 6820 |
35.1%
|
| 3 | Moderately effective | 3392 |
17.4%
|
| 4 | Not effective | 1380 |
7.1%
|
| 5 | Don't know | 2012 |
10.3%
|