| Value | Category | Cases | |
|---|---|---|---|
| -99 | 9 |
2.9%
|
|
| 1 | Not effective at all | 12 |
3.9%
|
| 2 | 8 |
2.6%
|
|
| 3 | 12 |
3.9%
|
|
| 4 | 25 |
8.1%
|
|
| 5 | 42 |
13.6%
|
|
| 6 | 33 |
10.7%
|
|
| 7 | 24 |
7.8%
|
|
| 8 | 20 |
6.5%
|
|
| 9 | 13 |
4.2%
|
|
| 10 | Very effective | 7 |
2.3%
|
| 11 | Don’t know | 73 |
23.6%
|
| Sysmiss | 31 |
10%
|