| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
4.7%
|
| 2 | 9 |
4.7%
|
|
| 3 | 12 |
6.3%
|
|
| 4 | 15 |
7.9%
|
|
| 5 | 24 |
12.6%
|
|
| 6 | 33 |
17.4%
|
|
| 7 | 38 |
20%
|
|
| 8 | 26 |
13.7%
|
|
| 9 | 15 |
7.9%
|
|
| 10 | Very effective | 9 |
4.7%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 250 |