| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 3 |
1%
|
| 2 | 4 |
1.3%
|
|
| 3 | 13 |
4.3%
|
|
| 4 | 19 |
6.3%
|
|
| 5 | 37 |
12.3%
|
|
| 6 | 37 |
12.3%
|
|
| 7 | 54 |
17.9%
|
|
| 8 | 39 |
13%
|
|
| 9 | 21 |
7%
|
|
| 10 | Very effective | 23 |
7.6%
|
| 11 | Don't know | 51 |
16.9%
|
| Sysmiss | 2 |