| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 25 |
7.3%
|
| 2 | 20 |
5.9%
|
|
| 3 | 37 |
10.9%
|
|
| 4 | 35 |
10.3%
|
|
| 5 | 54 |
15.8%
|
|
| 6 | 31 |
9.1%
|
|
| 7 | 37 |
10.9%
|
|
| 8 | 23 |
6.7%
|
|
| 9 | 12 |
3.5%
|
|
| 10 | Very effective | 67 |
19.6%
|
| 11 | Don't know | 78 | |
| Sysmiss | 11 |