| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
3%
|
| 2 | 9 |
5.4%
|
|
| 3 | 14 |
8.4%
|
|
| 4 | 15 |
9%
|
|
| 5 | 19 |
11.4%
|
|
| 6 | 10 |
6%
|
|
| 7 | 17 |
10.2%
|
|
| 8 | 12 |
7.2%
|
|
| 9 | 11 |
6.6%
|
|
| 10 | Very effective | 14 |
8.4%
|
| 11 | Don't know | 38 |
22.9%
|
| 12 | Not applicable | 2 |
1.2%
|
| Sysmiss | 41 |