| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 2 |
1%
|
| 2 | 0 |
0%
|
|
| 3 | 2 |
1%
|
|
| 4 | 9 |
4.5%
|
|
| 5 | 9 |
4.5%
|
|
| 6 | 17 |
8.5%
|
|
| 7 | 23 |
11.4%
|
|
| 8 | 20 |
10%
|
|
| 9 | 7 |
3.5%
|
|
| 10 | Very effective | 14 |
7%
|
| 11 | Don't know | 98 |
48.8%
|
| Sysmiss | 25 |