| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refuse to answer | 0 |
0%
|
| -88 | No answer | 0 |
0%
|
| -77 | Not applicable | 0 |
0%
|
| -66 | Don't know | 0 |
0%
|
| -44 | 220 |
85.3%
|
|
| 1 | Very effective | 11 |
4.3%
|
| 2 | Effective | 25 |
9.7%
|
| 3 | Ineffective | 2 |
0.8%
|
| 4 | Very ineffective | 0 |
0%
|