| Value | Category | Cases | |
|---|---|---|---|
| -99 | 8 |
2.6%
|
|
| 1 | Not effective at all | 8 |
2.6%
|
| 2 | 5 |
1.6%
|
|
| 3 | 7 |
2.3%
|
|
| 4 | 16 |
5.2%
|
|
| 5 | 31 |
10%
|
|
| 6 | 21 |
6.8%
|
|
| 7 | 35 |
11.3%
|
|
| 8 | 24 |
7.8%
|
|
| 9 | 18 |
5.8%
|
|
| 10 | Very effective | 11 |
3.6%
|
| 11 | Don’t know | 94 |
30.4%
|
| Sysmiss | 31 |
10%
|