| Value | Category | Cases | |
|---|---|---|---|
| -99 | 1 |
0.3%
|
|
| 1 | Not effective at all | 2 |
0.6%
|
| 2 | 3 |
0.9%
|
|
| 3 | 2 |
0.6%
|
|
| 4 | 5 |
1.5%
|
|
| 5 | 20 |
6%
|
|
| 6 | 25 |
7.5%
|
|
| 7 | 63 |
18.8%
|
|
| 8 | 59 |
17.6%
|
|
| 9 | 44 |
13.1%
|
|
| 10 | Very effective | 12 |
3.6%
|
| 11 | Don't know | 99 |
29.6%
|
| Sysmiss | 5 |