| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 13 |
3%
|
| 2 | 27 |
6.3%
|
|
| 3 | 40 |
9.3%
|
|
| 4 | 55 |
12.9%
|
|
| 5 | 88 |
20.6%
|
|
| 6 | 70 |
16.4%
|
|
| 7 | 63 |
14.7%
|
|
| 8 | 32 |
7.5%
|
|
| 9 | 26 |
6.1%
|
|
| 10 | Very effective | 14 |
3.3%
|
| 11 | Don't know | 61 | |
| Sysmiss | 16 |