| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 27 |
12.8%
|
| 2 | 11 |
5.2%
|
|
| 3 | 9 |
4.3%
|
|
| 4 | 16 |
7.6%
|
|
| 5 | 19 |
9%
|
|
| 6 | 18 |
8.5%
|
|
| 7 | 23 |
10.9%
|
|
| 8 | 25 |
11.8%
|
|
| 9 | 14 |
6.6%
|
|
| 10 | Very effective | 49 |
23.2%
|
| 11 | Don't know | 0 |
0%
|
| Sysmiss | 131 |