| Value | Category | Cases | |
|---|---|---|---|
| -99 | 3 |
1.7%
|
|
| 1 | Not effective at all | 1 |
0.6%
|
| 2 | 8 |
4.4%
|
|
| 3 | 3 |
1.7%
|
|
| 4 | 9 |
5%
|
|
| 5 | 15 |
8.3%
|
|
| 6 | 14 |
7.8%
|
|
| 7 | 25 |
13.9%
|
|
| 8 | 20 |
11.1%
|
|
| 9 | 12 |
6.7%
|
|
| 10 | Very effective | 2 |
1.1%
|
| 11 | Don't know | 68 |
37.8%
|
| Sysmiss | 85 |