| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 13 |
5%
|
| 2 | 37 |
14.3%
|
|
| 3 | 33 |
12.8%
|
|
| 4 | 29 |
11.2%
|
|
| 5 | 35 |
13.6%
|
|
| 6 | 25 |
9.7%
|
|
| 7 | 16 |
6.2%
|
|
| 8 | 9 |
3.5%
|
|
| 9 | 3 |
1.2%
|
|
| 10 | Very effective | 6 |
2.3%
|
| 11 | Don't know | 52 |
20.2%
|
| Sysmiss | 2 |