| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 14 |
3%
|
| 2 | 16 |
3.5%
|
|
| 3 | 11 |
2.4%
|
|
| 4 | 24 |
5.2%
|
|
| 5 | 42 |
9.1%
|
|
| 6 | 42 |
9.1%
|
|
| 7 | 34 |
7.4%
|
|
| 8 | 33 |
7.2%
|
|
| 9 | 27 |
5.9%
|
|
| 10 | Very effective | 61 |
13.2%
|
| 11 | Don't know | 31 |
6.7%
|
| 12 | 126 |
27.3%
|
|
| Sysmiss | 106 |