| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 48 |
24.9%
|
| 2 | 20 |
10.4%
|
|
| 3 | 20 |
10.4%
|
|
| 4 | 23 |
11.9%
|
|
| 5 | 29 |
15%
|
|
| 6 | 16 |
8.3%
|
|
| 7 | 10 |
5.2%
|
|
| 8 | 6 |
3.1%
|
|
| 9 | 13 |
6.7%
|
|
| 10 | Very effective | 8 |
4.1%
|
| 11 | Don't know | 194 | |
| Sysmiss | 43 |