| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 8 |
1.9%
|
| 2 | 18 |
4.2%
|
|
| 3 | 41 |
9.6%
|
|
| 4 | 51 |
12%
|
|
| 5 | 81 |
19%
|
|
| 6 | 86 |
20.2%
|
|
| 7 | 63 |
14.8%
|
|
| 8 | 37 |
8.7%
|
|
| 9 | 30 |
7%
|
|
| 10 | Very effective | 11 |
2.6%
|
| 11 | Don't know | 65 | |
| Sysmiss | 14 |