| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 1 |
1.4%
|
|
| 4 | 3 |
4.3%
|
|
| 5 | 8 |
11.4%
|
|
| 6 | 17 |
24.3%
|
|
| 7 | 19 |
27.1%
|
|
| 8 | 12 |
17.1%
|
|
| 9 | 9 |
12.9%
|
|
| 10 | Very effective | 1 |
1.4%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 77 |