| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 18 |
13.1%
|
| 2 | 11 |
8%
|
|
| 3 | 15 |
10.9%
|
|
| 4 | 11 |
8%
|
|
| 5 | 17 |
12.4%
|
|
| 6 | 18 |
13.1%
|
|
| 7 | 21 |
15.3%
|
|
| 8 | 14 |
10.2%
|
|
| 9 | 6 |
4.4%
|
|
| 10 | Very effective | 6 |
4.4%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 117 |