| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
3.2%
|
| 2 | 6 |
3.8%
|
|
| 3 | 10 |
6.3%
|
|
| 4 | 12 |
7.6%
|
|
| 5 | 14 |
8.9%
|
|
| 6 | 6 |
3.8%
|
|
| 7 | 15 |
9.5%
|
|
| 8 | 16 |
10.1%
|
|
| 9 | 19 |
12%
|
|
| 10 | Very effective | 16 |
10.1%
|
| 11 | Don't know | 39 |
24.7%
|
| 12 | Not applicable | 0 |
0%
|
| Sysmiss | 49 |