| Value | Category | Cases | |
|---|---|---|---|
| -99 | 7 |
2.3%
|
|
| 1 | Not effective at all | 7 |
2.3%
|
| 2 | 8 |
2.6%
|
|
| 3 | 16 |
5.2%
|
|
| 4 | 17 |
5.5%
|
|
| 5 | 32 |
10.4%
|
|
| 6 | 23 |
7.4%
|
|
| 7 | 28 |
9.1%
|
|
| 8 | 29 |
9.4%
|
|
| 9 | 12 |
3.9%
|
|
| 10 | Very effective | 6 |
1.9%
|
| 11 | Don’t know | 92 |
29.8%
|
| Sysmiss | 32 |
10.4%
|