| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Very effective | 474 |
39.5%
|
| 1 | Effective | 558 |
46.5%
|
| 2 | Not very effective | 119 |
9.9%
|
| 3 | Not at all effective | 45 |
3.8%
|
| 9 | Don't Know | 4 |
0.3%
|
| 98 | Refused | 0 |
0%
|