| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 33 |
13.4%
|
| 2 | 16 |
6.5%
|
|
| 3 | 26 |
10.6%
|
|
| 4 | 28 |
11.4%
|
|
| 5 | 19 |
7.7%
|
|
| 6 | 9 |
3.7%
|
|
| 7 | 9 |
3.7%
|
|
| 8 | 12 |
4.9%
|
|
| 9 | 8 |
3.3%
|
|
| 10 | Very effective | 9 |
3.7%
|
| 11 | Don't know | 77 |
31.3%
|
| Sysmiss | 59 |