| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not effective at all | 6 |
4%
|
| 2 | 9 |
6%
|
|
| 3 | 20 |
13.4%
|
|
| 4 | 20 |
13.4%
|
|
| 5 | 26 |
17.4%
|
|
| 6 | 19 |
12.8%
|
|
| 7 | 26 |
17.4%
|
|
| 8 | 19 |
12.8%
|
|
| 9 | 3 |
2%
|
|
| 10 | Very effective | 1 |
0.7%
|
| 11 | Don't know | 72 | |
| Sysmiss | 41 |