| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
2%
|
| 2 | 8 |
5.3%
|
|
| 3 | 10 |
6.7%
|
|
| 4 | 24 |
16%
|
|
| 5 | 25 |
16.7%
|
|
| 6 | 27 |
18%
|
|
| 7 | 28 |
18.7%
|
|
| 8 | 15 |
10%
|
|
| 9 | 6 |
4%
|
|
| 10 | Very effective | 4 |
2.7%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 46 |