Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 1 |
0.1%
|
0 | Not at all effective | 72 |
6%
|
1 | Not very effective | 56 |
4.7%
|
2 | Somewhat effective | 242 |
20.2%
|
3 | Very effective | 821 |
68.5%
|
9 | Don't know | 7 |
0.6%
|
98 | Refused | 0 |
0%
|