| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 1 |
3.8%
|
| 2 | 2 |
7.7%
|
|
| 3 | 1 |
3.8%
|
|
| 4 | 4 |
15.4%
|
|
| 5 | 3 |
11.5%
|
|
| 6 | 4 |
15.4%
|
|
| 7 | 6 |
23.1%
|
|
| 8 | 2 |
7.7%
|
|
| 9 | 2 |
7.7%
|
|
| 10 | Very effective | 1 |
3.8%
|
| 11 | Don’t know | 0 |
0%
|
| Sysmiss | 57 |