| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 12 |
2.6%
|
| 2 | 15 |
3.3%
|
|
| 3 | 21 |
4.6%
|
|
| 4 | 46 |
10.2%
|
|
| 5 | 87 |
19.2%
|
|
| 6 | 69 |
15.2%
|
|
| 7 | 77 |
17%
|
|
| 8 | 72 |
15.9%
|
|
| 9 | 36 |
7.9%
|
|
| 10 | Very effective | 18 |
4%
|
| 11 | Don't know | 37 | |
| Sysmiss | 15 |