| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
5.2%
|
| 2 | 4 |
3.5%
|
|
| 3 | 12 |
10.4%
|
|
| 4 | 16 |
13.9%
|
|
| 5 | 15 |
13%
|
|
| 6 | 18 |
15.7%
|
|
| 7 | 19 |
16.5%
|
|
| 8 | 11 |
9.6%
|
|
| 9 | 9 |
7.8%
|
|
| 10 | Very effective | 5 |
4.3%
|
| 11 | Don't know | 89 | |
| Sysmiss | 34 |