Value | Category | Cases | |
---|---|---|---|
1 | Not effective at all | 1 |
0.8%
|
2 | 2 |
1.7%
|
|
3 | 5 |
4.1%
|
|
4 | 3 |
2.5%
|
|
5 | 11 |
9.1%
|
|
6 | 9 |
7.4%
|
|
7 | 19 |
15.7%
|
|
8 | 14 |
11.6%
|
|
9 | 16 |
13.2%
|
|
10 | Very effective | 14 |
11.6%
|
11 | Don't know | 27 |
22.3%
|