| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 16 |
4.5%
|
| 2 | 25 |
7.1%
|
|
| 3 | 23 |
6.5%
|
|
| 4 | 33 |
9.3%
|
|
| 5 | 57 |
16.1%
|
|
| 6 | 47 |
13.3%
|
|
| 7 | 47 |
13.3%
|
|
| 8 | 54 |
15.3%
|
|
| 9 | 30 |
8.5%
|
|
| 10 | Very effective | 21 |
5.9%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 122 |