| Value | Category | Cases | |
|---|---|---|---|
| -99 | 10 |
3.2%
|
|
| 1 | Not effective at all | 10 |
3.2%
|
| 2 | 5 |
1.6%
|
|
| 3 | 13 |
4.2%
|
|
| 4 | 18 |
5.8%
|
|
| 5 | 39 |
12.6%
|
|
| 6 | 35 |
11.3%
|
|
| 7 | 27 |
8.7%
|
|
| 8 | 25 |
8.1%
|
|
| 9 | 9 |
2.9%
|
|
| 10 | Very effective | 6 |
1.9%
|
| 11 | Don’t know | 82 |
26.5%
|
| Sysmiss | 30 |
9.7%
|