| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 0 |
0%
|
| 3 | 4 |
1.8%
|
|
| 4 | 6 |
2.7%
|
|
| 5 | 18 |
8.2%
|
|
| 6 | 12 |
5.5%
|
|
| 7 | 19 |
8.6%
|
|
| 8 | 23 |
10.5%
|
|
| 9 | 19 |
8.6%
|
|
| 10 | Very effective | 8 |
3.6%
|
| 11 | Don't know | 111 |
50.5%
|
| Sysmiss | 15 |