Value | Category | Cases | |
---|---|---|---|
-1 | Missing | 73 |
0.1%
|
0 | Not at all effective | 5312 |
9.8%
|
1 | Not very effective | 11071 |
20.5%
|
2 | Somewhat effective | 19693 |
36.5%
|
3 | Very effective | 12779 |
23.7%
|
9 | Don't know | 5007 |
9.3%
|
98 | Refused | 0 |
0%
|