| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 34 |
17.3%
|
| 2 | 6 |
3%
|
|
| 3 | 10 |
5.1%
|
|
| 4 | 14 |
7.1%
|
|
| 5 | 17 |
8.6%
|
|
| 6 | 9 |
4.6%
|
|
| 7 | 16 |
8.1%
|
|
| 8 | 16 |
8.1%
|
|
| 9 | 28 |
14.2%
|
|
| 10 | Very effective | 47 |
23.9%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 145 |