| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 14 |
6.1%
|
| 2 | 25 |
10.9%
|
|
| 3 | 36 |
15.7%
|
|
| 4 | 26 |
11.3%
|
|
| 5 | 35 |
15.2%
|
|
| 6 | 29 |
12.6%
|
|
| 7 | 34 |
14.8%
|
|
| 8 | 15 |
6.5%
|
|
| 9 | 8 |
3.5%
|
|
| 10 | Very effective | 8 |
3.5%
|
| 11 | Don't know | 60 | |
| Sysmiss | 13 |