| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 9 |
13%
|
| 2 | 4 |
5.8%
|
|
| 3 | 5 |
7.2%
|
|
| 4 | 2 |
2.9%
|
|
| 5 | 9 |
13%
|
|
| 6 | 8 |
11.6%
|
|
| 7 | 8 |
11.6%
|
|
| 8 | 5 |
7.2%
|
|
| 9 | 1 |
1.4%
|
|
| 10 | Very effective | 18 |
26.1%
|
| 11 | N/A | 5 | |
| 12 | Don't know | 83 | |
| Sysmiss | 23 |