| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 2 | 2 |
1.4%
|
|
| 3 | 3 |
2.1%
|
|
| 4 | 2 |
1.4%
|
|
| 5 | 5 |
3.5%
|
|
| 6 | 5 |
3.5%
|
|
| 7 | 22 |
15.6%
|
|
| 8 | 25 |
17.7%
|
|
| 9 | 20 |
14.2%
|
|
| 10 | Very effective | 15 |
10.6%
|
| 11 | Don’t know | 42 |
29.8%
|
| Sysmiss | 24 |