Value | Category | Cases | |
---|---|---|---|
1 | Not effective at all | 1 |
0.6%
|
2 | 4 |
2.3%
|
|
3 | 2 |
1.1%
|
|
4 | 10 |
5.7%
|
|
5 | 24 |
13.7%
|
|
6 | 28 |
16%
|
|
7 | 32 |
18.3%
|
|
8 | 28 |
16%
|
|
9 | 15 |
8.6%
|
|
10 | Very effective | 8 |
4.6%
|
11 | Don't know | 23 |
13.1%
|