| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Very effective | 503 |
41.9%
|
| 2 | Somewhat effective | 213 |
17.8%
|
| 3 | Not very effective | 121 |
10.1%
|
| 4 | Not at all effective | 148 |
12.3%
|
| 9 | Don't know/Haven't heard enough | 215 |
17.9%
|
| 998 | Refused | 0 |
0%
|