| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missed | 0 |
0%
|
| 1 | Very effective | 518 |
43.2%
|
| 2 | Somewhat effective | 432 |
36%
|
| 3 | Not very effective | 115 |
9.6%
|
| 4 | Not at all effective | 64 |
5.3%
|
| 9 | Don't know | 70 |
5.8%
|
| 98 | Refused | 0 |
0%
|