Value | Category | Cases | |
---|---|---|---|
1 | Not effective at all | 2 |
1.7%
|
2 | 1 |
0.8%
|
|
3 | 4 |
3.3%
|
|
4 | 4 |
3.3%
|
|
5 | 13 |
10.7%
|
|
6 | 4 |
3.3%
|
|
7 | 15 |
12.4%
|
|
8 | 19 |
15.7%
|
|
9 | 14 |
11.6%
|
|
10 | Very effective | 15 |
12.4%
|
11 | Don't know | 30 |
24.8%
|