| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 14 |
14.7%
|
| 2 | 4 |
4.2%
|
|
| 3 | 7 |
7.4%
|
|
| 4 | 9 |
9.5%
|
|
| 5 | 4 |
4.2%
|
|
| 6 | 4 |
4.2%
|
|
| 7 | 12 |
12.6%
|
|
| 8 | 7 |
7.4%
|
|
| 9 | 9 |
9.5%
|
|
| 10 | Very effective | 6 |
6.3%
|
| 11 | Don't know | 19 |
20%
|
| Sysmiss | 69 |