| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 5 |
1.7%
|
| 2 | 10 |
3.4%
|
|
| 3 | 13 |
4.4%
|
|
| 4 | 14 |
4.8%
|
|
| 5 | 45 |
15.4%
|
|
| 6 | 37 |
12.6%
|
|
| 7 | 25 |
8.5%
|
|
| 8 | 17 |
5.8%
|
|
| 9 | 9 |
3.1%
|
|
| 10 | Very effective | 6 |
2%
|
| 11 | Don't know | 112 |
38.2%
|
| Sysmiss | 8 |