| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
3.8%
|
| 2 | 1 |
0.6%
|
|
| 3 | 15 |
9.5%
|
|
| 4 | 13 |
8.2%
|
|
| 5 | 23 |
14.6%
|
|
| 6 | 21 |
13.3%
|
|
| 7 | 29 |
18.4%
|
|
| 8 | 18 |
11.4%
|
|
| 9 | 18 |
11.4%
|
|
| 10 | Very effective | 14 |
8.9%
|
| 11 | Don’t know | 0 |
0%
|
| Sysmiss | 68 |