| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 15 |
3.2%
|
| 2 | 19 |
4.1%
|
|
| 3 | 24 |
5.2%
|
|
| 4 | 42 |
9.1%
|
|
| 5 | 63 |
13.6%
|
|
| 6 | 88 |
19%
|
|
| 7 | 84 |
18.2%
|
|
| 8 | 68 |
14.7%
|
|
| 9 | 47 |
10.2%
|
|
| 10 | Very effective | 12 |
2.6%
|
| 11 | Don't know | 28 | |
| Sysmiss | 15 |