| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 37 |
9.2%
|
| 2 | 58 |
14.5%
|
|
| 3 | 71 |
17.7%
|
|
| 4 | 89 |
22.2%
|
|
| 5 | 68 |
17%
|
|
| 6 | 39 |
9.7%
|
|
| 7 | 17 |
4.2%
|
|
| 8 | 11 |
2.7%
|
|
| 9 | 3 |
0.7%
|
|
| 10 | Very effective | 8 |
2%
|
| 11 | Don't know | 70 | |
| Sysmiss | 7 |