| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 13 |
11.3%
|
| 2 | 10 |
8.7%
|
|
| 3 | 10 |
8.7%
|
|
| 4 | 15 |
13%
|
|
| 5 | 18 |
15.7%
|
|
| 6 | 16 |
13.9%
|
|
| 7 | 12 |
10.4%
|
|
| 8 | 13 |
11.3%
|
|
| 9 | 5 |
4.3%
|
|
| 10 | Very effective | 3 |
2.6%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 95 |