Value | Category | Cases | |
---|---|---|---|
1 | Not effective at all | 1 |
0.4%
|
2 | 1 |
0.4%
|
|
3 | 4 |
1.7%
|
|
4 | 8 |
3.4%
|
|
5 | 18 |
7.7%
|
|
6 | 12 |
5.1%
|
|
7 | 32 |
13.6%
|
|
8 | 56 |
23.8%
|
|
9 | 49 |
20.9%
|
|
10 | Very effective | 25 |
10.6%
|
11 | Don't know | 29 |
12.3%
|