| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 20 |
4%
|
| 2 | 19 |
3.8%
|
|
| 3 | 22 |
4.4%
|
|
| 4 | 44 |
8.8%
|
|
| 5 | 99 |
19.7%
|
|
| 6 | 112 |
22.3%
|
|
| 7 | 77 |
15.3%
|
|
| 8 | 49 |
9.8%
|
|
| 9 | 23 |
4.6%
|
|
| 10 | Very effective | 37 |
7.4%
|
| 11 | Don't know | 147 | |
| Sysmiss | 70 |