| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 13 |
3%
|
| 2 | 6 |
1.4%
|
|
| 3 | 11 |
2.6%
|
|
| 4 | 18 |
4.2%
|
|
| 5 | 36 |
8.4%
|
|
| 6 | 29 |
6.7%
|
|
| 7 | 35 |
8.1%
|
|
| 8 | 39 |
9%
|
|
| 9 | 35 |
8.1%
|
|
| 10 | Very effective | 89 |
20.6%
|
| 11 | Don't know | 120 |
27.8%
|
| Sysmiss | 136 |