| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 2 |
3.1%
|
|
| 4 | 3 |
4.6%
|
|
| 5 | 10 |
15.4%
|
|
| 6 | 20 |
30.8%
|
|
| 7 | 14 |
21.5%
|
|
| 8 | 10 |
15.4%
|
|
| 9 | 5 |
7.7%
|
|
| 10 | Very effective | 1 |
1.5%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 82 |