| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 46 |
25.6%
|
| 2 | 22 |
12.2%
|
|
| 3 | 22 |
12.2%
|
|
| 4 | 16 |
8.9%
|
|
| 5 | 25 |
13.9%
|
|
| 6 | 14 |
7.8%
|
|
| 7 | 12 |
6.7%
|
|
| 8 | 9 |
5%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | Very effective | 13 |
7.2%
|
| 11 | Don't know | 209 | |
| Sysmiss | 41 |